Home / 81,111,733.38-121,222,284.30-59,298,034.04

Finding the Fourth Proportional to 81,111,733.38, 121,222,284.30 and 59,298,034.04

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Solution

The fourth proportional to 81,111,733.38, 121,222,284.30 and 59,298,034.04 is: 88,621,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,111,733.38 : 121,222,284.30 = 59,298,034.04 : x
  2. Step 2: Convert to fraction form
    81,111,733.38/121,222,284.30 = 59,298,034.04/x
  3. Step 3: Cross multiply
    81,111,733.38x = 121,222,284.30 × 59,298,034.04
  4. Step 4: Simplify right side
    81,111,733.38x = 7,188,243,140,827,957
  5. Step 5: Solve for x
    x = 7,188,243,140,827,957/81,111,733.38
  6. Step 6: Final answer
    x = 88,621,495.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.