Home / 122,778,803.16-169,428,798.54-69,850,527.30

Finding the Fourth Proportional to 122,778,803.16, 169,428,798.54 and 69,850,527.30

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Solution

The fourth proportional to 122,778,803.16, 169,428,798.54 and 69,850,527.30 is: 96,390,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,778,803.16 : 169,428,798.54 = 69,850,527.30 : x
  2. Step 2: Convert to fraction form
    122,778,803.16/169,428,798.54 = 69,850,527.30/x
  3. Step 3: Cross multiply
    122,778,803.16x = 169,428,798.54 × 69,850,527.30
  4. Step 4: Simplify right side
    122,778,803.16x = 11,834,690,917,824,470
  5. Step 5: Solve for x
    x = 11,834,690,917,824,470/122,778,803.16
  6. Step 6: Final answer
    x = 96,390,342.74

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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.