Home / 88,545,475.20-122,146,286.40-72,044,054.40

Finding the Fourth Proportional to 88,545,475.20, 122,146,286.40 and 72,044,054.40

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Solution

The fourth proportional to 88,545,475.20, 122,146,286.40 and 72,044,054.40 is: 99,382,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,545,475.20 : 122,146,286.40 = 72,044,054.40 : x
  2. Step 2: Convert to fraction form
    88,545,475.20/122,146,286.40 = 72,044,054.40/x
  3. Step 3: Cross multiply
    88,545,475.20x = 122,146,286.40 × 72,044,054.40
  4. Step 4: Simplify right side
    88,545,475.20x = 8,799,913,702,159,581
  5. Step 5: Solve for x
    x = 8,799,913,702,159,581/88,545,475.20
  6. Step 6: Final answer
    x = 99,382,985.77

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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.