Home / 122,552,996.68-169,123,478.34-67,549,071.88

Finding the Fourth Proportional to 122,552,996.68, 169,123,478.34 and 67,549,071.88

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Solution

The fourth proportional to 122,552,996.68, 169,123,478.34 and 67,549,071.88 is: 93,217,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,552,996.68 : 169,123,478.34 = 67,549,071.88 : x
  2. Step 2: Convert to fraction form
    122,552,996.68/169,123,478.34 = 67,549,071.88/x
  3. Step 3: Cross multiply
    122,552,996.68x = 169,123,478.34 × 67,549,071.88
  4. Step 4: Simplify right side
    122,552,996.68x = 11,424,133,994,984,282
  5. Step 5: Solve for x
    x = 11,424,133,994,984,282/122,552,996.68
  6. Step 6: Final answer
    x = 93,217,908.21

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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.