Home / 109,225,510.60-163,728,041.10-54,554,009.80

Finding the Fourth Proportional to 109,225,510.60, 163,728,041.10 and 54,554,009.80

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Solution

The fourth proportional to 109,225,510.60, 163,728,041.10 and 54,554,009.80 is: 81,775,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225,510.60 : 163,728,041.10 = 54,554,009.80 : x
  2. Step 2: Convert to fraction form
    109,225,510.60/163,728,041.10 = 54,554,009.80/x
  3. Step 3: Cross multiply
    109,225,510.60x = 163,728,041.10 × 54,554,009.80
  4. Step 4: Simplify right side
    109,225,510.60x = 8,932,021,158,704,202
  5. Step 5: Solve for x
    x = 8,932,021,158,704,202/109,225,510.60
  6. Step 6: Final answer
    x = 81,775,961.58

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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.