Home / 189,573,758.40-284,360,637.60-132,130,891.20

Finding the Fourth Proportional to 189,573,758.40, 284,360,637.60 and 132,130,891.20

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Solution

The fourth proportional to 189,573,758.40, 284,360,637.60 and 132,130,891.20 is: 198,196,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,573,758.40 : 284,360,637.60 = 132,130,891.20 : x
  2. Step 2: Convert to fraction form
    189,573,758.40/284,360,637.60 = 132,130,891.20/x
  3. Step 3: Cross multiply
    189,573,758.40x = 284,360,637.60 × 132,130,891.20
  4. Step 4: Simplify right side
    189,573,758.40x = 37,572,824,468,288,232
  5. Step 5: Solve for x
    x = 37,572,824,468,288,232/189,573,758.40
  6. Step 6: Final answer
    x = 198,196,336.80

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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.