Home / 98,941,528.17-136,541,821.74-54,287,488.43

Finding the Fourth Proportional to 98,941,528.17, 136,541,821.74 and 54,287,488.43

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Solution

The fourth proportional to 98,941,528.17, 136,541,821.74 and 54,287,488.43 is: 74,918,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,941,528.17 : 136,541,821.74 = 54,287,488.43 : x
  2. Step 2: Convert to fraction form
    98,941,528.17/136,541,821.74 = 54,287,488.43/x
  3. Step 3: Cross multiply
    98,941,528.17x = 136,541,821.74 × 54,287,488.43
  4. Step 4: Simplify right side
    98,941,528.17x = 7,412,512,567,988,617
  5. Step 5: Solve for x
    x = 7,412,512,567,988,617/98,941,528.17
  6. Step 6: Final answer
    x = 74,918,112.80

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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.