Home / 87,544,445.36-120,748,679.28-61,444,787.36

Finding the Fourth Proportional to 87,544,445.36, 120,748,679.28 and 61,444,787.36

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Solution

The fourth proportional to 87,544,445.36, 120,748,679.28 and 61,444,787.36 is: 84,749,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544,445.36 : 120,748,679.28 = 61,444,787.36 : x
  2. Step 2: Convert to fraction form
    87,544,445.36/120,748,679.28 = 61,444,787.36/x
  3. Step 3: Cross multiply
    87,544,445.36x = 120,748,679.28 × 61,444,787.36
  4. Step 4: Simplify right side
    87,544,445.36x = 7,419,376,922,360,438
  5. Step 5: Solve for x
    x = 7,419,376,922,360,438/87,544,445.36
  6. Step 6: Final answer
    x = 84,749,830.69

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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.