Home / 99,609,200.40-149,413,800.60-72,186,844.80

Finding the Fourth Proportional to 99,609,200.40, 149,413,800.60 and 72,186,844.80

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Solution

The fourth proportional to 99,609,200.40, 149,413,800.60 and 72,186,844.80 is: 108,280,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,609,200.40 : 149,413,800.60 = 72,186,844.80 : x
  2. Step 2: Convert to fraction form
    99,609,200.40/149,413,800.60 = 72,186,844.80/x
  3. Step 3: Cross multiply
    99,609,200.40x = 149,413,800.60 × 72,186,844.80
  4. Step 4: Simplify right side
    99,609,200.40x = 10,785,710,834,890,346
  5. Step 5: Solve for x
    x = 10,785,710,834,890,346/99,609,200.40
  6. Step 6: Final answer
    x = 108,280,267.20

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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.