Home / 122,788,548.32-169,448,737.92-67,784,856.80

Finding the Fourth Proportional to 122,788,548.32, 169,448,737.92 and 67,784,856.80

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Solution

The fourth proportional to 122,788,548.32, 169,448,737.92 and 67,784,856.80 is: 93,543,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788,548.32 : 169,448,737.92 = 67,784,856.80 : x
  2. Step 2: Convert to fraction form
    122,788,548.32/169,448,737.92 = 67,784,856.80/x
  3. Step 3: Cross multiply
    122,788,548.32x = 169,448,737.92 × 67,784,856.80
  4. Step 4: Simplify right side
    122,788,548.32x = 11,486,058,434,847,928
  5. Step 5: Solve for x
    x = 11,486,058,434,847,928/122,788,548.32
  6. Step 6: Final answer
    x = 93,543,401.17

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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.