Home / 77,283,350.40-115,792,315.20-50,343,139.20

Finding the Fourth Proportional to 77,283,350.40, 115,792,315.20 and 50,343,139.20

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Solution

The fourth proportional to 77,283,350.40, 115,792,315.20 and 50,343,139.20 is: 75,428,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,283,350.40 : 115,792,315.20 = 50,343,139.20 : x
  2. Step 2: Convert to fraction form
    77,283,350.40/115,792,315.20 = 50,343,139.20/x
  3. Step 3: Cross multiply
    77,283,350.40x = 115,792,315.20 × 50,343,139.20
  4. Step 4: Simplify right side
    77,283,350.40x = 5,829,348,642,403,876
  5. Step 5: Solve for x
    x = 5,829,348,642,403,876/77,283,350.40
  6. Step 6: Final answer
    x = 75,428,259.93

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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.