Home / 122,306,939.88-168,781,441.50-66,550,479.24

Finding the Fourth Proportional to 122,306,939.88, 168,781,441.50 and 66,550,479.24

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Solution

The fourth proportional to 122,306,939.88, 168,781,441.50 and 66,550,479.24 is: 91,838,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306,939.88 : 168,781,441.50 = 66,550,479.24 : x
  2. Step 2: Convert to fraction form
    122,306,939.88/168,781,441.50 = 66,550,479.24/x
  3. Step 3: Cross multiply
    122,306,939.88x = 168,781,441.50 × 66,550,479.24
  4. Step 4: Simplify right side
    122,306,939.88x = 11,232,485,818,643,024
  5. Step 5: Solve for x
    x = 11,232,485,818,643,024/122,306,939.88
  6. Step 6: Final answer
    x = 91,838,499.35

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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.