Home / 90,132,980.16-124,388,757.02-50,440,175.23

Finding the Fourth Proportional to 90,132,980.16, 124,388,757.02 and 50,440,175.23

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Solution

The fourth proportional to 90,132,980.16, 124,388,757.02 and 50,440,175.23 is: 69,610,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132,980.16 : 124,388,757.02 = 50,440,175.23 : x
  2. Step 2: Convert to fraction form
    90,132,980.16/124,388,757.02 = 50,440,175.23/x
  3. Step 3: Cross multiply
    90,132,980.16x = 124,388,757.02 × 50,440,175.23
  4. Step 4: Simplify right side
    90,132,980.16x = 6,274,190,700,167,520
  5. Step 5: Solve for x
    x = 6,274,190,700,167,520/90,132,980.16
  6. Step 6: Final answer
    x = 69,610,376.68

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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.