Home / 81,027,155.90-111,817,480.61-44,357,726.90

Finding the Fourth Proportional to 81,027,155.90, 111,817,480.61 and 44,357,726.90

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Solution

The fourth proportional to 81,027,155.90, 111,817,480.61 and 44,357,726.90 is: 61,213,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,027,155.90 : 111,817,480.61 = 44,357,726.90 : x
  2. Step 2: Convert to fraction form
    81,027,155.90/111,817,480.61 = 44,357,726.90/x
  3. Step 3: Cross multiply
    81,027,155.90x = 111,817,480.61 × 44,357,726.90
  4. Step 4: Simplify right side
    81,027,155.90x = 4,959,969,267,602,181
  5. Step 5: Solve for x
    x = 4,959,969,267,602,181/81,027,155.90
  6. Step 6: Final answer
    x = 61,213,666.11

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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.