Home / 268,523,869.02-402,785,915.21-120,798,880.75

Finding the Fourth Proportional to 268,523,869.02, 402,785,915.21 and 120,798,880.75

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Solution

The fourth proportional to 268,523,869.02, 402,785,915.21 and 120,798,880.75 is: 181,198,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,523,869.02 : 402,785,915.21 = 120,798,880.75 : x
  2. Step 2: Convert to fraction form
    268,523,869.02/402,785,915.21 = 120,798,880.75/x
  3. Step 3: Cross multiply
    268,523,869.02x = 402,785,915.21 × 120,798,880.75
  4. Step 4: Simplify right side
    268,523,869.02x = 48,656,087,739,232,400
  5. Step 5: Solve for x
    x = 48,656,087,739,232,400/268,523,869.02
  6. Step 6: Final answer
    x = 181,198,371.37

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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.