Home / 321,880,624.12-482,825,368.50-91,849,641.04

Finding the Fourth Proportional to 321,880,624.12, 482,825,368.50 and 91,849,641.04

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Solution

The fourth proportional to 321,880,624.12, 482,825,368.50 and 91,849,641.04 is: 137,775,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,880,624.12 : 482,825,368.50 = 91,849,641.04 : x
  2. Step 2: Convert to fraction form
    321,880,624.12/482,825,368.50 = 91,849,641.04/x
  3. Step 3: Cross multiply
    321,880,624.12x = 482,825,368.50 × 91,849,641.04
  4. Step 4: Simplify right side
    321,880,624.12x = 44,347,336,781,730,728
  5. Step 5: Solve for x
    x = 44,347,336,781,730,728/321,880,624.12
  6. Step 6: Final answer
    x = 137,775,726.34

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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.