Home / 66,904,136.71-92,155,681.20-47,291,306.61

Finding the Fourth Proportional to 66,904,136.71, 92,155,681.20 and 47,291,306.61

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Solution

The fourth proportional to 66,904,136.71, 92,155,681.20 and 47,291,306.61 is: 65,140,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,904,136.71 : 92,155,681.20 = 47,291,306.61 : x
  2. Step 2: Convert to fraction form
    66,904,136.71/92,155,681.20 = 47,291,306.61/x
  3. Step 3: Cross multiply
    66,904,136.71x = 92,155,681.20 × 47,291,306.61
  4. Step 4: Simplify right side
    66,904,136.71x = 4,358,162,575,482,613
  5. Step 5: Solve for x
    x = 4,358,162,575,482,613/66,904,136.71
  6. Step 6: Final answer
    x = 65,140,405.21

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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.