Home / 90,706,094.92-135,995,350.02-42,132,377.80

Finding the Fourth Proportional to 90,706,094.92, 135,995,350.02 and 42,132,377.80

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Solution

The fourth proportional to 90,706,094.92, 135,995,350.02 and 42,132,377.80 is: 63,168,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,706,094.92 : 135,995,350.02 = 42,132,377.80 : x
  2. Step 2: Convert to fraction form
    90,706,094.92/135,995,350.02 = 42,132,377.80/x
  3. Step 3: Cross multiply
    90,706,094.92x = 135,995,350.02 × 42,132,377.80
  4. Step 4: Simplify right side
    90,706,094.92x = 5,729,807,466,085,878
  5. Step 5: Solve for x
    x = 5,729,807,466,085,878/90,706,094.92
  6. Step 6: Final answer
    x = 63,168,935.57

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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.