Home / 122,767,254.12-169,418,825.34-67,763,125.20

Finding the Fourth Proportional to 122,767,254.12, 169,418,825.34 and 67,763,125.20

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Solution

The fourth proportional to 122,767,254.12, 169,418,825.34 and 67,763,125.20 is: 93,513,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,767,254.12 : 169,418,825.34 = 67,763,125.20 : x
  2. Step 2: Convert to fraction form
    122,767,254.12/169,418,825.34 = 67,763,125.20/x
  3. Step 3: Cross multiply
    122,767,254.12x = 169,418,825.34 × 67,763,125.20
  4. Step 4: Simplify right side
    122,767,254.12x = 11,480,349,072,751,354
  5. Step 5: Solve for x
    x = 11,480,349,072,751,354/122,767,254.12
  6. Step 6: Final answer
    x = 93,513,120.86

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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.