Home / 141,478,147.20-195,237,842.76-79,598,338.08

Finding the Fourth Proportional to 141,478,147.20, 195,237,842.76 and 79,598,338.08

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Solution

The fourth proportional to 141,478,147.20, 195,237,842.76 and 79,598,338.08 is: 109,844,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,478,147.20 : 195,237,842.76 = 79,598,338.08 : x
  2. Step 2: Convert to fraction form
    141,478,147.20/195,237,842.76 = 79,598,338.08/x
  3. Step 3: Cross multiply
    141,478,147.20x = 195,237,842.76 × 79,598,338.08
  4. Step 4: Simplify right side
    141,478,147.20x = 15,540,607,814,020,360
  5. Step 5: Solve for x
    x = 15,540,607,814,020,360/141,478,147.20
  6. Step 6: Final answer
    x = 109,844,581.10

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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.