Home / 145,333,630.80-217,753,666.20-87,704,809.20

Finding the Fourth Proportional to 145,333,630.80, 217,753,666.20 and 87,704,809.20

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Solution

The fourth proportional to 145,333,630.80, 217,753,666.20 and 87,704,809.20 is: 131,408,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,333,630.80 : 217,753,666.20 = 87,704,809.20 : x
  2. Step 2: Convert to fraction form
    145,333,630.80/217,753,666.20 = 87,704,809.20/x
  3. Step 3: Cross multiply
    145,333,630.80x = 217,753,666.20 × 87,704,809.20
  4. Step 4: Simplify right side
    145,333,630.80x = 19,098,043,746,671,488
  5. Step 5: Solve for x
    x = 19,098,043,746,671,488/145,333,630.80
  6. Step 6: Final answer
    x = 131,408,288.92

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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.