Home / 58,266,133.80-87,399,200.70-20,443,669.80

Finding the Fourth Proportional to 58,266,133.80, 87,399,200.70 and 20,443,669.80

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Solution

The fourth proportional to 58,266,133.80, 87,399,200.70 and 20,443,669.80 is: 30,665,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,266,133.80 : 87,399,200.70 = 20,443,669.80 : x
  2. Step 2: Convert to fraction form
    58,266,133.80/87,399,200.70 = 20,443,669.80/x
  3. Step 3: Cross multiply
    58,266,133.80x = 87,399,200.70 × 20,443,669.80
  4. Step 4: Simplify right side
    58,266,133.80x = 1,786,760,399,894,729
  5. Step 5: Solve for x
    x = 1,786,760,399,894,729/58,266,133.80
  6. Step 6: Final answer
    x = 30,665,504.70

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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.