Home / 306,069,986.20-459,228,012.90-124,331,387.80

Finding the Fourth Proportional to 306,069,986.20, 459,228,012.90 and 124,331,387.80

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Solution

The fourth proportional to 306,069,986.20, 459,228,012.90 and 124,331,387.80 is: 186,547,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,069,986.20 : 459,228,012.90 = 124,331,387.80 : x
  2. Step 2: Convert to fraction form
    306,069,986.20/459,228,012.90 = 124,331,387.80/x
  3. Step 3: Cross multiply
    306,069,986.20x = 459,228,012.90 × 124,331,387.80
  4. Step 4: Simplify right side
    306,069,986.20x = 57,096,456,160,493,296
  5. Step 5: Solve for x
    x = 57,096,456,160,493,296/306,069,986.20
  6. Step 6: Final answer
    x = 186,547,060.26

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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.