Home / 78,398,853.70-117,598,280.55-44,386,629.70

Finding the Fourth Proportional to 78,398,853.70, 117,598,280.55 and 44,386,629.70

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Solution

The fourth proportional to 78,398,853.70, 117,598,280.55 and 44,386,629.70 is: 66,579,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,398,853.70 : 117,598,280.55 = 44,386,629.70 : x
  2. Step 2: Convert to fraction form
    78,398,853.70/117,598,280.55 = 44,386,629.70/x
  3. Step 3: Cross multiply
    78,398,853.70x = 117,598,280.55 × 44,386,629.70
  4. Step 4: Simplify right side
    78,398,853.70x = 5,219,791,332,129,563
  5. Step 5: Solve for x
    x = 5,219,791,332,129,563/78,398,853.70
  6. Step 6: Final answer
    x = 66,579,944.55

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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.