Home / 257,791,202.80-386,686,804.20-155,869,615.60

Finding the Fourth Proportional to 257,791,202.80, 386,686,804.20 and 155,869,615.60

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Solution

The fourth proportional to 257,791,202.80, 386,686,804.20 and 155,869,615.60 is: 233,804,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,791,202.80 : 386,686,804.20 = 155,869,615.60 : x
  2. Step 2: Convert to fraction form
    257,791,202.80/386,686,804.20 = 155,869,615.60/x
  3. Step 3: Cross multiply
    257,791,202.80x = 386,686,804.20 × 155,869,615.60
  4. Step 4: Simplify right side
    257,791,202.80x = 60,272,723,528,246,464
  5. Step 5: Solve for x
    x = 60,272,723,528,246,464/257,791,202.80
  6. Step 6: Final answer
    x = 233,804,423.40

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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.