Home / 91,806,914.70-137,710,372.05-71,000,999.55

Finding the Fourth Proportional to 91,806,914.70, 137,710,372.05 and 71,000,999.55

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Solution

The fourth proportional to 91,806,914.70, 137,710,372.05 and 71,000,999.55 is: 106,501,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806,914.70 : 137,710,372.05 = 71,000,999.55 : x
  2. Step 2: Convert to fraction form
    91,806,914.70/137,710,372.05 = 71,000,999.55/x
  3. Step 3: Cross multiply
    91,806,914.70x = 137,710,372.05 × 71,000,999.55
  4. Step 4: Simplify right side
    91,806,914.70x = 9,777,574,063,952,384
  5. Step 5: Solve for x
    x = 9,777,574,063,952,384/91,806,914.70
  6. Step 6: Final answer
    x = 106,501,499.33

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Double scale
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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.