Home / 91,213,409-125,870,818.02-54,564,233.96

Finding the Fourth Proportional to 91,213,409, 125,870,818.02 and 54,564,233.96

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Solution

The fourth proportional to 91,213,409, 125,870,818.02 and 54,564,233.96 is: 75,296,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,213,409 : 125,870,818.02 = 54,564,233.96 : x
  2. Step 2: Convert to fraction form
    91,213,409/125,870,818.02 = 54,564,233.96/x
  3. Step 3: Cross multiply
    91,213,409x = 125,870,818.02 × 54,564,233.96
  4. Step 4: Simplify right side
    91,213,409x = 6,868,044,763,179,864
  5. Step 5: Solve for x
    x = 6,868,044,763,179,864/91,213,409
  6. Step 6: Final answer
    x = 75,296,437.65

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Double scale
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1.5x scale

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.