Home / 141,721,101.60-212,581,652.40-107,456,935.20

Finding the Fourth Proportional to 141,721,101.60, 212,581,652.40 and 107,456,935.20

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Solution

The fourth proportional to 141,721,101.60, 212,581,652.40 and 107,456,935.20 is: 161,185,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,721,101.60 : 212,581,652.40 = 107,456,935.20 : x
  2. Step 2: Convert to fraction form
    141,721,101.60/212,581,652.40 = 107,456,935.20/x
  3. Step 3: Cross multiply
    141,721,101.60x = 212,581,652.40 × 107,456,935.20
  4. Step 4: Simplify right side
    141,721,101.60x = 22,843,372,846,655,724
  5. Step 5: Solve for x
    x = 22,843,372,846,655,724/141,721,101.60
  6. Step 6: Final answer
    x = 161,185,402.80

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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.