Home / 112,571,868.80-168,857,803.20-58,712,182.40

Finding the Fourth Proportional to 112,571,868.80, 168,857,803.20 and 58,712,182.40

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Solution

The fourth proportional to 112,571,868.80, 168,857,803.20 and 58,712,182.40 is: 88,068,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,868.80 : 168,857,803.20 = 58,712,182.40 : x
  2. Step 2: Convert to fraction form
    112,571,868.80/168,857,803.20 = 58,712,182.40/x
  3. Step 3: Cross multiply
    112,571,868.80x = 168,857,803.20 × 58,712,182.40
  4. Step 4: Simplify right side
    112,571,868.80x = 9,914,010,141,141,702
  5. Step 5: Solve for x
    x = 9,914,010,141,141,702/112,571,868.80
  6. Step 6: Final answer
    x = 88,068,273.60

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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.