Home / 66,700,592.67-99,981,522.72-25,788,132.12

Finding the Fourth Proportional to 66,700,592.67, 99,981,522.72 and 25,788,132.12

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Solution

The fourth proportional to 66,700,592.67, 99,981,522.72 and 25,788,132.12 is: 38,655,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,700,592.67 : 99,981,522.72 = 25,788,132.12 : x
  2. Step 2: Convert to fraction form
    66,700,592.67/99,981,522.72 = 25,788,132.12/x
  3. Step 3: Cross multiply
    66,700,592.67x = 99,981,522.72 × 25,788,132.12
  4. Step 4: Simplify right side
    66,700,592.67x = 2,578,336,717,462,142
  5. Step 5: Solve for x
    x = 2,578,336,717,462,142/66,700,592.67
  6. Step 6: Final answer
    x = 38,655,379.42

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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.