Home / 354,417,687.40-531,864,303.90-124,386,327.40

Finding the Fourth Proportional to 354,417,687.40, 531,864,303.90 and 124,386,327.40

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Solution

The fourth proportional to 354,417,687.40, 531,864,303.90 and 124,386,327.40 is: 186,662,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,417,687.40 : 531,864,303.90 = 124,386,327.40 : x
  2. Step 2: Convert to fraction form
    354,417,687.40/531,864,303.90 = 124,386,327.40/x
  3. Step 3: Cross multiply
    354,417,687.40x = 531,864,303.90 × 124,386,327.40
  4. Step 4: Simplify right side
    354,417,687.40x = 66,156,647,437,278,496
  5. Step 5: Solve for x
    x = 66,156,647,437,278,496/354,417,687.40
  6. Step 6: Final answer
    x = 186,662,939.77

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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.