Home / 99,648,220.80-149,472,331.20-75,095,646.60

Finding the Fourth Proportional to 99,648,220.80, 149,472,331.20 and 75,095,646.60

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Solution

The fourth proportional to 99,648,220.80, 149,472,331.20 and 75,095,646.60 is: 112,643,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,220.80 : 149,472,331.20 = 75,095,646.60 : x
  2. Step 2: Convert to fraction form
    99,648,220.80/149,472,331.20 = 75,095,646.60/x
  3. Step 3: Cross multiply
    99,648,220.80x = 149,472,331.20 × 75,095,646.60
  4. Step 4: Simplify right side
    99,648,220.80x = 11,224,721,360,273,352
  5. Step 5: Solve for x
    x = 11,224,721,360,273,352/99,648,220.80
  6. Step 6: Final answer
    x = 112,643,469.90

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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.