Home / 111,722,405.60-154,174,498.99-64,681,461.20

Finding the Fourth Proportional to 111,722,405.60, 154,174,498.99 and 64,681,461.20

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Solution

The fourth proportional to 111,722,405.60, 154,174,498.99 and 64,681,461.20 is: 89,259,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722,405.60 : 154,174,498.99 = 64,681,461.20 : x
  2. Step 2: Convert to fraction form
    111,722,405.60/154,174,498.99 = 64,681,461.20/x
  3. Step 3: Cross multiply
    111,722,405.60x = 154,174,498.99 × 64,681,461.20
  4. Step 4: Simplify right side
    111,722,405.60x = 9,972,231,873,518,548
  5. Step 5: Solve for x
    x = 9,972,231,873,518,548/111,722,405.60
  6. Step 6: Final answer
    x = 89,259,014.97

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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.