Home / 257,927,410.40-386,387,230.80-155,386,853.60

Finding the Fourth Proportional to 257,927,410.40, 386,387,230.80 and 155,386,853.60

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Solution

The fourth proportional to 257,927,410.40, 386,387,230.80 and 155,386,853.60 is: 232,776,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,927,410.40 : 386,387,230.80 = 155,386,853.60 : x
  2. Step 2: Convert to fraction form
    257,927,410.40/386,387,230.80 = 155,386,853.60/x
  3. Step 3: Cross multiply
    257,927,410.40x = 386,387,230.80 × 155,386,853.60
  4. Step 4: Simplify right side
    257,927,410.40x = 60,039,496,065,229,008
  5. Step 5: Solve for x
    x = 60,039,496,065,229,008/257,927,410.40
  6. Step 6: Final answer
    x = 232,776,717.96

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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.