Home / 257,472,813.60-386,209,220.40-63,382,687.20

Finding the Fourth Proportional to 257,472,813.60, 386,209,220.40 and 63,382,687.20

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Solution

The fourth proportional to 257,472,813.60, 386,209,220.40 and 63,382,687.20 is: 95,074,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472,813.60 : 386,209,220.40 = 63,382,687.20 : x
  2. Step 2: Convert to fraction form
    257,472,813.60/386,209,220.40 = 63,382,687.20/x
  3. Step 3: Cross multiply
    257,472,813.60x = 386,209,220.40 × 63,382,687.20
  4. Step 4: Simplify right side
    257,472,813.60x = 24,478,978,210,369,060
  5. Step 5: Solve for x
    x = 24,478,978,210,369,060/257,472,813.60
  6. Step 6: Final answer
    x = 95,074,030.80

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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.