Home / 122,662,950.59-169,275,398.09-66,909,586.02

Finding the Fourth Proportional to 122,662,950.59, 169,275,398.09 and 66,909,586.02

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Solution

The fourth proportional to 122,662,950.59, 169,275,398.09 and 66,909,586.02 is: 92,335,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,662,950.59 : 169,275,398.09 = 66,909,586.02 : x
  2. Step 2: Convert to fraction form
    122,662,950.59/169,275,398.09 = 66,909,586.02/x
  3. Step 3: Cross multiply
    122,662,950.59x = 169,275,398.09 × 66,909,586.02
  4. Step 4: Simplify right side
    122,662,950.59x = 11,326,146,808,391,674
  5. Step 5: Solve for x
    x = 11,326,146,808,391,674/122,662,950.59
  6. Step 6: Final answer
    x = 92,335,515.77

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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.