Home / 90,370,267.90-124,762,182.16-69,137,099.52

Finding the Fourth Proportional to 90,370,267.90, 124,762,182.16 and 69,137,099.52

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Solution

The fourth proportional to 90,370,267.90, 124,762,182.16 and 69,137,099.52 is: 95,448,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370,267.90 : 124,762,182.16 = 69,137,099.52 : x
  2. Step 2: Convert to fraction form
    90,370,267.90/124,762,182.16 = 69,137,099.52/x
  3. Step 3: Cross multiply
    90,370,267.90x = 124,762,182.16 × 69,137,099.52
  4. Step 4: Simplify right side
    90,370,267.90x = 8,625,695,404,328,288
  5. Step 5: Solve for x
    x = 8,625,695,404,328,288/90,370,267.90
  6. Step 6: Final answer
    x = 95,448,377.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.