Home / 99,648,218.80-149,472,328.20-74,139,050.80

Finding the Fourth Proportional to 99,648,218.80, 149,472,328.20 and 74,139,050.80

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Solution

The fourth proportional to 99,648,218.80, 149,472,328.20 and 74,139,050.80 is: 111,208,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,218.80 : 149,472,328.20 = 74,139,050.80 : x
  2. Step 2: Convert to fraction form
    99,648,218.80/149,472,328.20 = 74,139,050.80/x
  3. Step 3: Cross multiply
    99,648,218.80x = 149,472,328.20 × 74,139,050.80
  4. Step 4: Simplify right side
    99,648,218.80x = 11,081,736,533,614,072
  5. Step 5: Solve for x
    x = 11,081,736,533,614,072/99,648,218.80
  6. Step 6: Final answer
    x = 111,208,576.20

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Similar ratio
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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.