Home / 78,264,272.74-108,046,627.85-60,343,350.25

Finding the Fourth Proportional to 78,264,272.74, 108,046,627.85 and 60,343,350.25

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Solution

The fourth proportional to 78,264,272.74, 108,046,627.85 and 60,343,350.25 is: 83,306,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264,272.74 : 108,046,627.85 = 60,343,350.25 : x
  2. Step 2: Convert to fraction form
    78,264,272.74/108,046,627.85 = 60,343,350.25/x
  3. Step 3: Cross multiply
    78,264,272.74x = 108,046,627.85 × 60,343,350.25
  4. Step 4: Simplify right side
    78,264,272.74x = 6,519,895,507,683,954
  5. Step 5: Solve for x
    x = 6,519,895,507,683,954/78,264,272.74
  6. Step 6: Final answer
    x = 83,306,153.36

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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.