Home / 111,436,598.39-153,781,703.30-61,876,728.95

Finding the Fourth Proportional to 111,436,598.39, 153,781,703.30 and 61,876,728.95

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Solution

The fourth proportional to 111,436,598.39, 153,781,703.30 and 61,876,728.95 is: 85,389,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,436,598.39 : 153,781,703.30 = 61,876,728.95 : x
  2. Step 2: Convert to fraction form
    111,436,598.39/153,781,703.30 = 61,876,728.95/x
  3. Step 3: Cross multiply
    111,436,598.39x = 153,781,703.30 × 61,876,728.95
  4. Step 4: Simplify right side
    111,436,598.39x = 9,515,508,772,254,036
  5. Step 5: Solve for x
    x = 9,515,508,772,254,036/111,436,598.39
  6. Step 6: Final answer
    x = 85,389,440.36

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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.