Home / 99,645,461.70-149,468,192.55-60,903,412.80

Finding the Fourth Proportional to 99,645,461.70, 149,468,192.55 and 60,903,412.80

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Solution

The fourth proportional to 99,645,461.70, 149,468,192.55 and 60,903,412.80 is: 91,355,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,461.70 : 149,468,192.55 = 60,903,412.80 : x
  2. Step 2: Convert to fraction form
    99,645,461.70/149,468,192.55 = 60,903,412.80/x
  3. Step 3: Cross multiply
    99,645,461.70x = 149,468,192.55 × 60,903,412.80
  4. Step 4: Simplify right side
    99,645,461.70x = 9,103,123,031,342,534
  5. Step 5: Solve for x
    x = 9,103,123,031,342,534/99,645,461.70
  6. Step 6: Final answer
    x = 91,355,119.20

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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.