Home / 84,387,281.92-126,539,048.32-26,872,059.52

Finding the Fourth Proportional to 84,387,281.92, 126,539,048.32 and 26,872,059.52

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Solution

The fourth proportional to 84,387,281.92, 126,539,048.32 and 26,872,059.52 is: 40,294,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,387,281.92 : 126,539,048.32 = 26,872,059.52 : x
  2. Step 2: Convert to fraction form
    84,387,281.92/126,539,048.32 = 26,872,059.52/x
  3. Step 3: Cross multiply
    84,387,281.92x = 126,539,048.32 × 26,872,059.52
  4. Step 4: Simplify right side
    84,387,281.92x = 3,400,364,838,059,196
  5. Step 5: Solve for x
    x = 3,400,364,838,059,196/84,387,281.92
  6. Step 6: Final answer
    x = 40,294,754.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.