Home / 88,099,399.20-132,020,017.20-79,001,479.20

Finding the Fourth Proportional to 88,099,399.20, 132,020,017.20 and 79,001,479.20

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Solution

The fourth proportional to 88,099,399.20, 132,020,017.20 and 79,001,479.20 is: 118,386,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099,399.20 : 132,020,017.20 = 79,001,479.20 : x
  2. Step 2: Convert to fraction form
    88,099,399.20/132,020,017.20 = 79,001,479.20/x
  3. Step 3: Cross multiply
    88,099,399.20x = 132,020,017.20 × 79,001,479.20
  4. Step 4: Simplify right side
    88,099,399.20x = 10,429,776,642,809,442
  5. Step 5: Solve for x
    x = 10,429,776,642,809,442/88,099,399.20
  6. Step 6: Final answer
    x = 118,386,467.30

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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.