Home / 91,862,597.40-137,793,896.10-31,278,323.40

Finding the Fourth Proportional to 91,862,597.40, 137,793,896.10 and 31,278,323.40

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Solution

The fourth proportional to 91,862,597.40, 137,793,896.10 and 31,278,323.40 is: 46,917,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862,597.40 : 137,793,896.10 = 31,278,323.40 : x
  2. Step 2: Convert to fraction form
    91,862,597.40/137,793,896.10 = 31,278,323.40/x
  3. Step 3: Cross multiply
    91,862,597.40x = 137,793,896.10 × 31,278,323.40
  4. Step 4: Simplify right side
    91,862,597.40x = 4,309,962,044,761,798.50
  5. Step 5: Solve for x
    x = 4,309,962,044,761,798.50/91,862,597.40
  6. Step 6: Final answer
    x = 46,917,485.10

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Similar ratio
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1.5x scale

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.