Home / 78,724,038.17-108,660,780.88-45,694,928.26

Finding the Fourth Proportional to 78,724,038.17, 108,660,780.88 and 45,694,928.26

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Solution

The fourth proportional to 78,724,038.17, 108,660,780.88 and 45,694,928.26 is: 63,071,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,038.17 : 108,660,780.88 = 45,694,928.26 : x
  2. Step 2: Convert to fraction form
    78,724,038.17/108,660,780.88 = 45,694,928.26/x
  3. Step 3: Cross multiply
    78,724,038.17x = 108,660,780.88 × 45,694,928.26
  4. Step 4: Simplify right side
    78,724,038.17x = 4,965,246,586,654,814
  5. Step 5: Solve for x
    x = 4,965,246,586,654,814/78,724,038.17
  6. Step 6: Final answer
    x = 63,071,543.35

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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.