Home / 100,136,587.95-138,144,472.20-60,421,966.65

Finding the Fourth Proportional to 100,136,587.95, 138,144,472.20 and 60,421,966.65

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Solution

The fourth proportional to 100,136,587.95, 138,144,472.20 and 60,421,966.65 is: 83,355,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,136,587.95 : 138,144,472.20 = 60,421,966.65 : x
  2. Step 2: Convert to fraction form
    100,136,587.95/138,144,472.20 = 60,421,966.65/x
  3. Step 3: Cross multiply
    100,136,587.95x = 138,144,472.20 × 60,421,966.65
  4. Step 4: Simplify right side
    100,136,587.95x = 8,346,960,692,150,251
  5. Step 5: Solve for x
    x = 8,346,960,692,150,251/100,136,587.95
  6. Step 6: Final answer
    x = 83,355,753.01

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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.