Home / 107,785,976.40-148,744,500.56-61,376,230.16

Finding the Fourth Proportional to 107,785,976.40, 148,744,500.56 and 61,376,230.16

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Solution

The fourth proportional to 107,785,976.40, 148,744,500.56 and 61,376,230.16 is: 84,699,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,785,976.40 : 148,744,500.56 = 61,376,230.16 : x
  2. Step 2: Convert to fraction form
    107,785,976.40/148,744,500.56 = 61,376,230.16/x
  3. Step 3: Cross multiply
    107,785,976.40x = 148,744,500.56 × 61,376,230.16
  4. Step 4: Simplify right side
    107,785,976.40x = 9,129,376,701,404,808
  5. Step 5: Solve for x
    x = 9,129,376,701,404,808/107,785,976.40
  6. Step 6: Final answer
    x = 84,699,113.99

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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.