Home / 122,510,612.12-169,068,251.04-67,510,011.56

Finding the Fourth Proportional to 122,510,612.12, 169,068,251.04 and 67,510,011.56

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Solution

The fourth proportional to 122,510,612.12, 169,068,251.04 and 67,510,011.56 is: 93,165,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,612.12 : 169,068,251.04 = 67,510,011.56 : x
  2. Step 2: Convert to fraction form
    122,510,612.12/169,068,251.04 = 67,510,011.56/x
  3. Step 3: Cross multiply
    122,510,612.12x = 169,068,251.04 × 67,510,011.56
  4. Step 4: Simplify right side
    122,510,612.12x = 11,413,799,582,139,382
  5. Step 5: Solve for x
    x = 11,413,799,582,139,382/122,510,612.12
  6. Step 6: Final answer
    x = 93,165,803.23

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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.