Home / 71,779,570.74-107,691,942.35-25,690,017.86

Finding the Fourth Proportional to 71,779,570.74, 107,691,942.35 and 25,690,017.86

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Solution

The fourth proportional to 71,779,570.74, 107,691,942.35 and 25,690,017.86 is: 38,543,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,779,570.74 : 107,691,942.35 = 25,690,017.86 : x
  2. Step 2: Convert to fraction form
    71,779,570.74/107,691,942.35 = 25,690,017.86/x
  3. Step 3: Cross multiply
    71,779,570.74x = 107,691,942.35 × 25,690,017.86
  4. Step 4: Simplify right side
    71,779,570.74x = 2,766,607,922,885,075.50
  5. Step 5: Solve for x
    x = 2,766,607,922,885,075.50/71,779,570.74
  6. Step 6: Final answer
    x = 38,543,110.45

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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.