Home / 65,358,280.88-90,194,427.41-35,989,543.47

Finding the Fourth Proportional to 65,358,280.88, 90,194,427.41 and 35,989,543.47

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Solution

The fourth proportional to 65,358,280.88, 90,194,427.41 and 35,989,543.47 is: 49,665,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,358,280.88 : 90,194,427.41 = 35,989,543.47 : x
  2. Step 2: Convert to fraction form
    65,358,280.88/90,194,427.41 = 35,989,543.47/x
  3. Step 3: Cross multiply
    65,358,280.88x = 90,194,427.41 × 35,989,543.47
  4. Step 4: Simplify right side
    65,358,280.88x = 3,246,056,265,844,006.50
  5. Step 5: Solve for x
    x = 3,246,056,265,844,006.50/65,358,280.88
  6. Step 6: Final answer
    x = 49,665,569.88

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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.