Home / 161,138,145.68-222,370,673.04-87,799,287.68

Finding the Fourth Proportional to 161,138,145.68, 222,370,673.04 and 87,799,287.68

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Solution

The fourth proportional to 161,138,145.68, 222,370,673.04 and 87,799,287.68 is: 121,163,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,138,145.68 : 222,370,673.04 = 87,799,287.68 : x
  2. Step 2: Convert to fraction form
    161,138,145.68/222,370,673.04 = 87,799,287.68/x
  3. Step 3: Cross multiply
    161,138,145.68x = 222,370,673.04 × 87,799,287.68
  4. Step 4: Simplify right side
    161,138,145.68x = 19,523,986,693,834,180
  5. Step 5: Solve for x
    x = 19,523,986,693,834,180/161,138,145.68
  6. Step 6: Final answer
    x = 121,163,034.44

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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.