Home / 111,282,972.26-153,588,891.15-61,739,307.88

Finding the Fourth Proportional to 111,282,972.26, 153,588,891.15 and 61,739,307.88

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Solution

The fourth proportional to 111,282,972.26, 153,588,891.15 and 61,739,307.88 is: 85,210,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282,972.26 : 153,588,891.15 = 61,739,307.88 : x
  2. Step 2: Convert to fraction form
    111,282,972.26/153,588,891.15 = 61,739,307.88/x
  3. Step 3: Cross multiply
    111,282,972.26x = 153,588,891.15 × 61,739,307.88
  4. Step 4: Simplify right side
    111,282,972.26x = 9,482,471,837,273,686
  5. Step 5: Solve for x
    x = 9,482,471,837,273,686/111,282,972.26
  6. Step 6: Final answer
    x = 85,210,447.25

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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.