Home / 82,849,159.26-124,260,304.77-39,129,870.78

Finding the Fourth Proportional to 82,849,159.26, 124,260,304.77 and 39,129,870.78

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Solution

The fourth proportional to 82,849,159.26, 124,260,304.77 and 39,129,870.78 is: 58,688,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,849,159.26 : 124,260,304.77 = 39,129,870.78 : x
  2. Step 2: Convert to fraction form
    82,849,159.26/124,260,304.77 = 39,129,870.78/x
  3. Step 3: Cross multiply
    82,849,159.26x = 124,260,304.77 × 39,129,870.78
  4. Step 4: Simplify right side
    82,849,159.26x = 4,862,289,668,733,518
  5. Step 5: Solve for x
    x = 4,862,289,668,733,518/82,849,159.26
  6. Step 6: Final answer
    x = 58,688,461.20

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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.