Home / 101,227,077.82-139,693,502.11-54,817,411.78

Finding the Fourth Proportional to 101,227,077.82, 139,693,502.11 and 54,817,411.78

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Solution

The fourth proportional to 101,227,077.82, 139,693,502.11 and 54,817,411.78 is: 75,648,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,227,077.82 : 139,693,502.11 = 54,817,411.78 : x
  2. Step 2: Convert to fraction form
    101,227,077.82/139,693,502.11 = 54,817,411.78/x
  3. Step 3: Cross multiply
    101,227,077.82x = 139,693,502.11 × 54,817,411.78
  4. Step 4: Simplify right side
    101,227,077.82x = 7,657,636,228,154,170
  5. Step 5: Solve for x
    x = 7,657,636,228,154,170/101,227,077.82
  6. Step 6: Final answer
    x = 75,648,101.21

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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.