Home / 137,066,753.52-205,533,996.12-79,573,497.84

Finding the Fourth Proportional to 137,066,753.52, 205,533,996.12 and 79,573,497.84

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Solution

The fourth proportional to 137,066,753.52, 205,533,996.12 and 79,573,497.84 is: 119,321,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,066,753.52 : 205,533,996.12 = 79,573,497.84 : x
  2. Step 2: Convert to fraction form
    137,066,753.52/205,533,996.12 = 79,573,497.84/x
  3. Step 3: Cross multiply
    137,066,753.52x = 205,533,996.12 × 79,573,497.84
  4. Step 4: Simplify right side
    137,066,753.52x = 16,355,058,996,301,390
  5. Step 5: Solve for x
    x = 16,355,058,996,301,390/137,066,753.52
  6. Step 6: Final answer
    x = 119,321,852.87

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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.