Home / 75,971,952.72-114,071,769.72-65,768,285.52

Finding the Fourth Proportional to 75,971,952.72, 114,071,769.72 and 65,768,285.52

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Solution

The fourth proportional to 75,971,952.72, 114,071,769.72 and 65,768,285.52 is: 98,750,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,971,952.72 : 114,071,769.72 = 65,768,285.52 : x
  2. Step 2: Convert to fraction form
    75,971,952.72/114,071,769.72 = 65,768,285.52/x
  3. Step 3: Cross multiply
    75,971,952.72x = 114,071,769.72 × 65,768,285.52
  4. Step 4: Simplify right side
    75,971,952.72x = 7,502,304,720,716,651
  5. Step 5: Solve for x
    x = 7,502,304,720,716,651/75,971,952.72
  6. Step 6: Final answer
    x = 98,750,979.17

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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.