Home / 122,777,609.68-169,437,111.48-67,026,002.80

Finding the Fourth Proportional to 122,777,609.68, 169,437,111.48 and 67,026,002.80

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Solution

The fourth proportional to 122,777,609.68, 169,437,111.48 and 67,026,002.80 is: 92,498,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,777,609.68 : 169,437,111.48 = 67,026,002.80 : x
  2. Step 2: Convert to fraction form
    122,777,609.68/169,437,111.48 = 67,026,002.80/x
  3. Step 3: Cross multiply
    122,777,609.68x = 169,437,111.48 × 67,026,002.80
  4. Step 4: Simplify right side
    122,777,609.68x = 11,356,692,308,482,390
  5. Step 5: Solve for x
    x = 11,356,692,308,482,390/122,777,609.68
  6. Step 6: Final answer
    x = 92,498,073.05

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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.