Home / 130,836,625.94-180,555,737.85-72,101,398.47

Finding the Fourth Proportional to 130,836,625.94, 180,555,737.85 and 72,101,398.47

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Solution

The fourth proportional to 130,836,625.94, 180,555,737.85 and 72,101,398.47 is: 99,500,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,836,625.94 : 180,555,737.85 = 72,101,398.47 : x
  2. Step 2: Convert to fraction form
    130,836,625.94/180,555,737.85 = 72,101,398.47/x
  3. Step 3: Cross multiply
    130,836,625.94x = 180,555,737.85 × 72,101,398.47
  4. Step 4: Simplify right side
    130,836,625.94x = 13,018,321,200,767,710
  5. Step 5: Solve for x
    x = 13,018,321,200,767,710/130,836,625.94
  6. Step 6: Final answer
    x = 99,500,587.91

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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.