Home / 204,411,990.74-282,087,112.20-111,592,498.58

Finding the Fourth Proportional to 204,411,990.74, 282,087,112.20 and 111,592,498.58

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Solution

The fourth proportional to 204,411,990.74, 282,087,112.20 and 111,592,498.58 is: 153,996,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,411,990.74 : 282,087,112.20 = 111,592,498.58 : x
  2. Step 2: Convert to fraction form
    204,411,990.74/282,087,112.20 = 111,592,498.58/x
  3. Step 3: Cross multiply
    204,411,990.74x = 282,087,112.20 × 111,592,498.58
  4. Step 4: Simplify right side
    204,411,990.74x = 31,478,805,668,022,020
  5. Step 5: Solve for x
    x = 31,478,805,668,022,020/204,411,990.74
  6. Step 6: Final answer
    x = 153,996,864.64

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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.