Home / 123,209,733.02-170,038,874.87-70,287,605.92

Finding the Fourth Proportional to 123,209,733.02, 170,038,874.87 and 70,287,605.92

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Solution

The fourth proportional to 123,209,733.02, 170,038,874.87 and 70,287,605.92 is: 97,002,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,209,733.02 : 170,038,874.87 = 70,287,605.92 : x
  2. Step 2: Convert to fraction form
    123,209,733.02/170,038,874.87 = 70,287,605.92/x
  3. Step 3: Cross multiply
    123,209,733.02x = 170,038,874.87 × 70,287,605.92
  4. Step 4: Simplify right side
    123,209,733.02x = 11,951,625,428,067,440
  5. Step 5: Solve for x
    x = 11,951,625,428,067,440/123,209,733.02
  6. Step 6: Final answer
    x = 97,002,283.31

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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.