Home / 77,760,191.60-116,640,287.40-53,573,721.20

Finding the Fourth Proportional to 77,760,191.60, 116,640,287.40 and 53,573,721.20

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Solution

The fourth proportional to 77,760,191.60, 116,640,287.40 and 53,573,721.20 is: 80,360,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760,191.60 : 116,640,287.40 = 53,573,721.20 : x
  2. Step 2: Convert to fraction form
    77,760,191.60/116,640,287.40 = 53,573,721.20/x
  3. Step 3: Cross multiply
    77,760,191.60x = 116,640,287.40 × 53,573,721.20
  4. Step 4: Simplify right side
    77,760,191.60x = 6,248,854,237,855,474
  5. Step 5: Solve for x
    x = 6,248,854,237,855,474/77,760,191.60
  6. Step 6: Final answer
    x = 80,360,581.80

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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.