Home / 102,382,063.84-141,287,747.61-55,972,320.04

Finding the Fourth Proportional to 102,382,063.84, 141,287,747.61 and 55,972,320.04

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Solution

The fourth proportional to 102,382,063.84, 141,287,747.61 and 55,972,320.04 is: 77,242,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,382,063.84 : 141,287,747.61 = 55,972,320.04 : x
  2. Step 2: Convert to fraction form
    102,382,063.84/141,287,747.61 = 55,972,320.04/x
  3. Step 3: Cross multiply
    102,382,063.84x = 141,287,747.61 × 55,972,320.04
  4. Step 4: Simplify right side
    102,382,063.84x = 7,908,203,026,957,666
  5. Step 5: Solve for x
    x = 7,908,203,026,957,666/102,382,063.84
  6. Step 6: Final answer
    x = 77,242,074.74

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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.