Home / 257,549,077.20-386,323,615.80-155,260,462.80

Finding the Fourth Proportional to 257,549,077.20, 386,323,615.80 and 155,260,462.80

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Solution

The fourth proportional to 257,549,077.20, 386,323,615.80 and 155,260,462.80 is: 232,890,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,549,077.20 : 386,323,615.80 = 155,260,462.80 : x
  2. Step 2: Convert to fraction form
    257,549,077.20/386,323,615.80 = 155,260,462.80/x
  3. Step 3: Cross multiply
    257,549,077.20x = 386,323,615.80 × 155,260,462.80
  4. Step 4: Simplify right side
    257,549,077.20x = 59,980,783,379,677,400
  5. Step 5: Solve for x
    x = 59,980,783,379,677,400/257,549,077.20
  6. Step 6: Final answer
    x = 232,890,694.20

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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.