Home / 75,406,717.32-113,109,908.61-20,074,566.04

Finding the Fourth Proportional to 75,406,717.32, 113,109,908.61 and 20,074,566.04

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Solution

The fourth proportional to 75,406,717.32, 113,109,908.61 and 20,074,566.04 is: 30,111,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,406,717.32 : 113,109,908.61 = 20,074,566.04 : x
  2. Step 2: Convert to fraction form
    75,406,717.32/113,109,908.61 = 20,074,566.04/x
  3. Step 3: Cross multiply
    75,406,717.32x = 113,109,908.61 × 20,074,566.04
  4. Step 4: Simplify right side
    75,406,717.32x = 2,270,632,330,169,809.50
  5. Step 5: Solve for x
    x = 2,270,632,330,169,809.50/75,406,717.32
  6. Step 6: Final answer
    x = 30,111,804.50

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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.