Home / 257,795,870.43-386,690,019.41-63,707,280.40

Finding the Fourth Proportional to 257,795,870.43, 386,690,019.41 and 63,707,280.40

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Solution

The fourth proportional to 257,795,870.43, 386,690,019.41 and 63,707,280.40 is: 95,559,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,795,870.43 : 386,690,019.41 = 63,707,280.40 : x
  2. Step 2: Convert to fraction form
    257,795,870.43/386,690,019.41 = 63,707,280.40/x
  3. Step 3: Cross multiply
    257,795,870.43x = 386,690,019.41 × 63,707,280.40
  4. Step 4: Simplify right side
    257,795,870.43x = 24,634,969,494,718,908
  5. Step 5: Solve for x
    x = 24,634,969,494,718,908/257,795,870.43
  6. Step 6: Final answer
    x = 95,559,984.93

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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.