Home / 138,763,153.20-208,144,176.12-62,032,372.86

Finding the Fourth Proportional to 138,763,153.20, 208,144,176.12 and 62,032,372.86

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Solution

The fourth proportional to 138,763,153.20, 208,144,176.12 and 62,032,372.86 is: 93,048,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,763,153.20 : 208,144,176.12 = 62,032,372.86 : x
  2. Step 2: Convert to fraction form
    138,763,153.20/208,144,176.12 = 62,032,372.86/x
  3. Step 3: Cross multiply
    138,763,153.20x = 208,144,176.12 × 62,032,372.86
  4. Step 4: Simplify right side
    138,763,153.20x = 12,911,677,141,713,348
  5. Step 5: Solve for x
    x = 12,911,677,141,713,348/138,763,153.20
  6. Step 6: Final answer
    x = 93,048,311.77

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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.