Home / 90,370,269.90-124,762,184.92-69,137,101.52

Finding the Fourth Proportional to 90,370,269.90, 124,762,184.92 and 69,137,101.52

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Solution

The fourth proportional to 90,370,269.90, 124,762,184.92 and 69,137,101.52 is: 95,448,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370,269.90 : 124,762,184.92 = 69,137,101.52 : x
  2. Step 2: Convert to fraction form
    90,370,269.90/124,762,184.92 = 69,137,101.52/x
  3. Step 3: Cross multiply
    90,370,269.90x = 124,762,184.92 × 69,137,101.52
  4. Step 4: Simplify right side
    90,370,269.90x = 8,625,695,844,671,053
  5. Step 5: Solve for x
    x = 8,625,695,844,671,053/90,370,269.90
  6. Step 6: Final answer
    x = 95,448,379.81

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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.