Home / 80,970,899.29-121,358,767.04-37,191,244.88

Finding the Fourth Proportional to 80,970,899.29, 121,358,767.04 and 37,191,244.88

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Solution

The fourth proportional to 80,970,899.29, 121,358,767.04 and 37,191,244.88 is: 55,742,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,970,899.29 : 121,358,767.04 = 37,191,244.88 : x
  2. Step 2: Convert to fraction form
    80,970,899.29/121,358,767.04 = 37,191,244.88/x
  3. Step 3: Cross multiply
    80,970,899.29x = 121,358,767.04 × 37,191,244.88
  4. Step 4: Simplify right side
    80,970,899.29x = 4,513,483,623,319,513
  5. Step 5: Solve for x
    x = 4,513,483,623,319,513/80,970,899.29
  6. Step 6: Final answer
    x = 55,742,046.38

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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.