Home / 88,406,867.59-121,117,996.85-85,093,311.08

Finding the Fourth Proportional to 88,406,867.59, 121,117,996.85 and 85,093,311.08

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Solution

The fourth proportional to 88,406,867.59, 121,117,996.85 and 85,093,311.08 is: 116,578,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,406,867.59 : 121,117,996.85 = 85,093,311.08 : x
  2. Step 2: Convert to fraction form
    88,406,867.59/121,117,996.85 = 85,093,311.08/x
  3. Step 3: Cross multiply
    88,406,867.59x = 121,117,996.85 × 85,093,311.08
  4. Step 4: Simplify right side
    88,406,867.59x = 10,306,331,383,343,510
  5. Step 5: Solve for x
    x = 10,306,331,383,343,510/88,406,867.59
  6. Step 6: Final answer
    x = 116,578,402.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.