Home / 173,864,837.70-260,965,218.15-105,840,389.70

Finding the Fourth Proportional to 173,864,837.70, 260,965,218.15 and 105,840,389.70

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Solution

The fourth proportional to 173,864,837.70, 260,965,218.15 and 105,840,389.70 is: 158,862,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,864,837.70 : 260,965,218.15 = 105,840,389.70 : x
  2. Step 2: Convert to fraction form
    173,864,837.70/260,965,218.15 = 105,840,389.70/x
  3. Step 3: Cross multiply
    173,864,837.70x = 260,965,218.15 × 105,840,389.70
  4. Step 4: Simplify right side
    173,864,837.70x = 27,620,660,387,141,516
  5. Step 5: Solve for x
    x = 27,620,660,387,141,516/173,864,837.70
  6. Step 6: Final answer
    x = 158,862,831.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.