Home / 99,143,648,062.63-148,744,649,699.52-31,989,633,326.21

Finding the Fourth Proportional to 99,143,648,062.63, 148,744,649,699.52 and 31,989,633,326.21

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Solution

The fourth proportional to 99,143,648,062.63, 148,744,649,699.52 and 31,989,633,326.21 is: 47,993,864,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,648,062.63 : 148,744,649,699.52 = 31,989,633,326.21 : x
  2. Step 2: Convert to fraction form
    99,143,648,062.63/148,744,649,699.52 = 31,989,633,326.21/x
  3. Step 3: Cross multiply
    99,143,648,062.63x = 148,744,649,699.52 × 31,989,633,326.21
  4. Step 4: Simplify right side
    99,143,648,062.63x = 4,758,286,803,122,452,955,136
  5. Step 5: Solve for x
    x = 4,758,286,803,122,452,955,136/99,143,648,062.63
  6. Step 6: Final answer
    x = 47,993,864,419.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.