Home / 399,816,000.10-599,724,000.15-127,214,323.30

Finding the Fourth Proportional to 399,816,000.10, 599,724,000.15 and 127,214,323.30

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Solution

The fourth proportional to 399,816,000.10, 599,724,000.15 and 127,214,323.30 is: 190,821,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,816,000.10 : 599,724,000.15 = 127,214,323.30 : x
  2. Step 2: Convert to fraction form
    399,816,000.10/599,724,000.15 = 127,214,323.30/x
  3. Step 3: Cross multiply
    399,816,000.10x = 599,724,000.15 × 127,214,323.30
  4. Step 4: Simplify right side
    399,816,000.10x = 76,293,482,845,851,344
  5. Step 5: Solve for x
    x = 76,293,482,845,851,344/399,816,000.10
  6. Step 6: Final answer
    x = 190,821,484.95

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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.