Home / 105,008,357.52-144,902,078.28-65,837,612.88

Finding the Fourth Proportional to 105,008,357.52, 144,902,078.28 and 65,837,612.88

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Solution

The fourth proportional to 105,008,357.52, 144,902,078.28 and 65,837,612.88 is: 90,849,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,357.52 : 144,902,078.28 = 65,837,612.88 : x
  2. Step 2: Convert to fraction form
    105,008,357.52/144,902,078.28 = 65,837,612.88/x
  3. Step 3: Cross multiply
    105,008,357.52x = 144,902,078.28 × 65,837,612.88
  4. Step 4: Simplify right side
    105,008,357.52x = 9,540,006,935,306,096
  5. Step 5: Solve for x
    x = 9,540,006,935,306,096/105,008,357.52
  6. Step 6: Final answer
    x = 90,849,977.66

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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.