Home / 55,779,128.20-83,668,692.30-38,560,439.80

Finding the Fourth Proportional to 55,779,128.20, 83,668,692.30 and 38,560,439.80

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Solution

The fourth proportional to 55,779,128.20, 83,668,692.30 and 38,560,439.80 is: 57,840,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,128.20 : 83,668,692.30 = 38,560,439.80 : x
  2. Step 2: Convert to fraction form
    55,779,128.20/83,668,692.30 = 38,560,439.80/x
  3. Step 3: Cross multiply
    55,779,128.20x = 83,668,692.30 × 38,560,439.80
  4. Step 4: Simplify right side
    55,779,128.20x = 3,226,301,572,578,873
  5. Step 5: Solve for x
    x = 3,226,301,572,578,873/55,779,128.20
  6. Step 6: Final answer
    x = 57,840,659.70

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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.