Home / 80,412,045.12-110,970,831.12-45,132,043.74

Finding the Fourth Proportional to 80,412,045.12, 110,970,831.12 and 45,132,043.74

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Solution

The fourth proportional to 80,412,045.12, 110,970,831.12 and 45,132,043.74 is: 62,283,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,412,045.12 : 110,970,831.12 = 45,132,043.74 : x
  2. Step 2: Convert to fraction form
    80,412,045.12/110,970,831.12 = 45,132,043.74/x
  3. Step 3: Cross multiply
    80,412,045.12x = 110,970,831.12 × 45,132,043.74
  4. Step 4: Simplify right side
    80,412,045.12x = 5,008,340,403,971,994
  5. Step 5: Solve for x
    x = 5,008,340,403,971,994/80,412,045.12
  6. Step 6: Final answer
    x = 62,283,460.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.