Home / 257,494,637.10-386,241,955.65-148,655,520.30

Finding the Fourth Proportional to 257,494,637.10, 386,241,955.65 and 148,655,520.30

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Solution

The fourth proportional to 257,494,637.10, 386,241,955.65 and 148,655,520.30 is: 222,983,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,494,637.10 : 386,241,955.65 = 148,655,520.30 : x
  2. Step 2: Convert to fraction form
    257,494,637.10/386,241,955.65 = 148,655,520.30/x
  3. Step 3: Cross multiply
    257,494,637.10x = 386,241,955.65 × 148,655,520.30
  4. Step 4: Simplify right side
    257,494,637.10x = 57,416,998,878,840,272
  5. Step 5: Solve for x
    x = 57,416,998,878,840,272/257,494,637.10
  6. Step 6: Final answer
    x = 222,983,280.45

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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.