Home / 88,593,145.80-132,889,718.70-81,578,124.60

Finding the Fourth Proportional to 88,593,145.80, 132,889,718.70 and 81,578,124.60

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Solution

The fourth proportional to 88,593,145.80, 132,889,718.70 and 81,578,124.60 is: 122,367,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,145.80 : 132,889,718.70 = 81,578,124.60 : x
  2. Step 2: Convert to fraction form
    88,593,145.80/132,889,718.70 = 81,578,124.60/x
  3. Step 3: Cross multiply
    88,593,145.80x = 132,889,718.70 × 81,578,124.60
  4. Step 4: Simplify right side
    88,593,145.80x = 10,840,894,030,167,550
  5. Step 5: Solve for x
    x = 10,840,894,030,167,550/88,593,145.80
  6. Step 6: Final answer
    x = 122,367,186.90

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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.