Home / 136,126,168.84-187,856,352.21-74,246,507.92

Finding the Fourth Proportional to 136,126,168.84, 187,856,352.21 and 74,246,507.92

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Solution

The fourth proportional to 136,126,168.84, 187,856,352.21 and 74,246,507.92 is: 102,461,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126,168.84 : 187,856,352.21 = 74,246,507.92 : x
  2. Step 2: Convert to fraction form
    136,126,168.84/187,856,352.21 = 74,246,507.92/x
  3. Step 3: Cross multiply
    136,126,168.84x = 187,856,352.21 × 74,246,507.92
  4. Step 4: Simplify right side
    136,126,168.84x = 13,947,678,142,182,076
  5. Step 5: Solve for x
    x = 13,947,678,142,182,076/136,126,168.84
  6. Step 6: Final answer
    x = 102,461,402.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.