Home / 113,300,218,471.52-156,424,864,267.86-72,123,831,461

Finding the Fourth Proportional to 113,300,218,471.52, 156,424,864,267.86 and 72,123,831,461

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Solution

The fourth proportional to 113,300,218,471.52, 156,424,864,267.86 and 72,123,831,461 is: 99,575,805,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300,218,471.52 : 156,424,864,267.86 = 72,123,831,461 : x
  2. Step 2: Convert to fraction form
    113,300,218,471.52/156,424,864,267.86 = 72,123,831,461/x
  3. Step 3: Cross multiply
    113,300,218,471.52x = 156,424,864,267.86 × 72,123,831,461
  4. Step 4: Simplify right side
    113,300,218,471.52x = 11,281,960,546,764,935,135,232
  5. Step 5: Solve for x
    x = 11,281,960,546,764,935,135,232/113,300,218,471.52
  6. Step 6: Final answer
    x = 99,575,805,757.17

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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.