Home / 161,777,937.20-242,666,905.80-64,748,620.40

Finding the Fourth Proportional to 161,777,937.20, 242,666,905.80 and 64,748,620.40

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Solution

The fourth proportional to 161,777,937.20, 242,666,905.80 and 64,748,620.40 is: 97,122,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,777,937.20 : 242,666,905.80 = 64,748,620.40 : x
  2. Step 2: Convert to fraction form
    161,777,937.20/242,666,905.80 = 64,748,620.40/x
  3. Step 3: Cross multiply
    161,777,937.20x = 242,666,905.80 × 64,748,620.40
  4. Step 4: Simplify right side
    161,777,937.20x = 15,712,347,367,286,758
  5. Step 5: Solve for x
    x = 15,712,347,367,286,758/161,777,937.20
  6. Step 6: Final answer
    x = 97,122,930.60

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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.