Home / 175,391,989.20-262,710,070.20-145,158,901.20

Finding the Fourth Proportional to 175,391,989.20, 262,710,070.20 and 145,158,901.20

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Solution

The fourth proportional to 175,391,989.20, 262,710,070.20 and 145,158,901.20 is: 217,425,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,391,989.20 : 262,710,070.20 = 145,158,901.20 : x
  2. Step 2: Convert to fraction form
    175,391,989.20/262,710,070.20 = 145,158,901.20/x
  3. Step 3: Cross multiply
    175,391,989.20x = 262,710,070.20 × 145,158,901.20
  4. Step 4: Simplify right side
    175,391,989.20x = 38,134,705,124,406,856
  5. Step 5: Solve for x
    x = 38,134,705,124,406,856/175,391,989.20
  6. Step 6: Final answer
    x = 217,425,580.83

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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.