Home / 147,909,618.88-204,113,760.67-81,830,590.06

Finding the Fourth Proportional to 147,909,618.88, 204,113,760.67 and 81,830,590.06

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Solution

The fourth proportional to 147,909,618.88, 204,113,760.67 and 81,830,590.06 is: 112,925,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,909,618.88 : 204,113,760.67 = 81,830,590.06 : x
  2. Step 2: Convert to fraction form
    147,909,618.88/204,113,760.67 = 81,830,590.06/x
  3. Step 3: Cross multiply
    147,909,618.88x = 204,113,760.67 × 81,830,590.06
  4. Step 4: Simplify right side
    147,909,618.88x = 16,702,749,474,506,552
  5. Step 5: Solve for x
    x = 16,702,749,474,506,552/147,909,618.88
  6. Step 6: Final answer
    x = 112,925,377.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.