Home / 52,490,653.80-78,735,980.70-38,885,764.20

Finding the Fourth Proportional to 52,490,653.80, 78,735,980.70 and 38,885,764.20

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Solution

The fourth proportional to 52,490,653.80, 78,735,980.70 and 38,885,764.20 is: 58,328,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490,653.80 : 78,735,980.70 = 38,885,764.20 : x
  2. Step 2: Convert to fraction form
    52,490,653.80/78,735,980.70 = 38,885,764.20/x
  3. Step 3: Cross multiply
    52,490,653.80x = 78,735,980.70 × 38,885,764.20
  4. Step 4: Simplify right side
    52,490,653.80x = 3,061,708,779,555,951.50
  5. Step 5: Solve for x
    x = 3,061,708,779,555,951.50/52,490,653.80
  6. Step 6: Final answer
    x = 58,328,646.30

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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.