Home / 186,723,985.52-280,127,618.76-57,344,652.20

Finding the Fourth Proportional to 186,723,985.52, 280,127,618.76 and 57,344,652.20

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Solution

The fourth proportional to 186,723,985.52, 280,127,618.76 and 57,344,652.20 is: 86,029,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,723,985.52 : 280,127,618.76 = 57,344,652.20 : x
  2. Step 2: Convert to fraction form
    186,723,985.52/280,127,618.76 = 57,344,652.20/x
  3. Step 3: Cross multiply
    186,723,985.52x = 280,127,618.76 × 57,344,652.20
  4. Step 4: Simplify right side
    186,723,985.52x = 16,063,820,869,406,396
  5. Step 5: Solve for x
    x = 16,063,820,869,406,396/186,723,985.52
  6. Step 6: Final answer
    x = 86,029,766.47

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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.