Home / 286,676,049.92-429,812,459.52-133,159,116.80

Finding the Fourth Proportional to 286,676,049.92, 429,812,459.52 and 133,159,116.80

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Solution

The fourth proportional to 286,676,049.92, 429,812,459.52 and 133,159,116.80 is: 199,645,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,676,049.92 : 429,812,459.52 = 133,159,116.80 : x
  2. Step 2: Convert to fraction form
    286,676,049.92/429,812,459.52 = 133,159,116.80/x
  3. Step 3: Cross multiply
    286,676,049.92x = 429,812,459.52 × 133,159,116.80
  4. Step 4: Simplify right side
    286,676,049.92x = 57,233,447,499,318,952
  5. Step 5: Solve for x
    x = 57,233,447,499,318,952/286,676,049.92
  6. Step 6: Final answer
    x = 199,645,026.21

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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.