Home / 149,475,517.20-224,213,275.80-128,669,602.05

Finding the Fourth Proportional to 149,475,517.20, 224,213,275.80 and 128,669,602.05

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Solution

The fourth proportional to 149,475,517.20, 224,213,275.80 and 128,669,602.05 is: 193,004,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,475,517.20 : 224,213,275.80 = 128,669,602.05 : x
  2. Step 2: Convert to fraction form
    149,475,517.20/224,213,275.80 = 128,669,602.05/x
  3. Step 3: Cross multiply
    149,475,517.20x = 224,213,275.80 × 128,669,602.05
  4. Step 4: Simplify right side
    149,475,517.20x = 28,849,432,971,512,896
  5. Step 5: Solve for x
    x = 28,849,432,971,512,896/149,475,517.20
  6. Step 6: Final answer
    x = 193,004,403.08

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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.