Home / 284,315,337.40-426,473,002.90-68,904,585.40

Finding the Fourth Proportional to 284,315,337.40, 426,473,002.90 and 68,904,585.40

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Solution

The fourth proportional to 284,315,337.40, 426,473,002.90 and 68,904,585.40 is: 103,356,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,315,337.40 : 426,473,002.90 = 68,904,585.40 : x
  2. Step 2: Convert to fraction form
    284,315,337.40/426,473,002.90 = 68,904,585.40/x
  3. Step 3: Cross multiply
    284,315,337.40x = 426,473,002.90 × 68,904,585.40
  4. Step 4: Simplify right side
    284,315,337.40x = 29,385,945,449,117,500
  5. Step 5: Solve for x
    x = 29,385,945,449,117,500/284,315,337.40
  6. Step 6: Final answer
    x = 103,356,877.32

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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.