Home / 79,343,874.56-119,001,873.36-21,822,275.36

Finding the Fourth Proportional to 79,343,874.56, 119,001,873.36 and 21,822,275.36

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Solution

The fourth proportional to 79,343,874.56, 119,001,873.36 and 21,822,275.36 is: 32,729,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343,874.56 : 119,001,873.36 = 21,822,275.36 : x
  2. Step 2: Convert to fraction form
    79,343,874.56/119,001,873.36 = 21,822,275.36/x
  3. Step 3: Cross multiply
    79,343,874.56x = 119,001,873.36 × 21,822,275.36
  4. Step 4: Simplify right side
    79,343,874.56x = 2,596,891,648,817,768.50
  5. Step 5: Solve for x
    x = 2,596,891,648,817,768.50/79,343,874.56
  6. Step 6: Final answer
    x = 32,729,579.48

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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.