Home / 88,406,863.70-121,117,991.52-85,093,307.20

Finding the Fourth Proportional to 88,406,863.70, 121,117,991.52 and 85,093,307.20

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Solution

The fourth proportional to 88,406,863.70, 121,117,991.52 and 85,093,307.20 is: 116,578,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,406,863.70 : 121,117,991.52 = 85,093,307.20 : x
  2. Step 2: Convert to fraction form
    88,406,863.70/121,117,991.52 = 85,093,307.20/x
  3. Step 3: Cross multiply
    88,406,863.70x = 121,117,991.52 × 85,093,307.20
  4. Step 4: Simplify right side
    88,406,863.70x = 10,306,330,458,827,298
  5. Step 5: Solve for x
    x = 10,306,330,458,827,298/88,406,863.70
  6. Step 6: Final answer
    x = 116,578,397.06

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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.