Home / 88,406,864.59-121,117,992.74-85,093,308.08

Finding the Fourth Proportional to 88,406,864.59, 121,117,992.74 and 85,093,308.08

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Solution

The fourth proportional to 88,406,864.59, 121,117,992.74 and 85,093,308.08 is: 116,578,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,406,864.59 : 121,117,992.74 = 85,093,308.08 : x
  2. Step 2: Convert to fraction form
    88,406,864.59/121,117,992.74 = 85,093,308.08/x
  3. Step 3: Cross multiply
    88,406,864.59x = 121,117,992.74 × 85,093,308.08
  4. Step 4: Simplify right side
    88,406,864.59x = 10,306,330,669,830,556
  5. Step 5: Solve for x
    x = 10,306,330,669,830,556/88,406,864.59
  6. Step 6: Final answer
    x = 116,578,398.27

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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.