Home / 402,941,837.10-604,263,456.45-130,321,497.90

Finding the Fourth Proportional to 402,941,837.10, 604,263,456.45 and 130,321,497.90

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Solution

The fourth proportional to 402,941,837.10, 604,263,456.45 and 130,321,497.90 is: 195,433,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,941,837.10 : 604,263,456.45 = 130,321,497.90 : x
  2. Step 2: Convert to fraction form
    402,941,837.10/604,263,456.45 = 130,321,497.90/x
  3. Step 3: Cross multiply
    402,941,837.10x = 604,263,456.45 × 130,321,497.90
  4. Step 4: Simplify right side
    402,941,837.10x = 78,748,518,770,795,424
  5. Step 5: Solve for x
    x = 78,748,518,770,795,424/402,941,837.10
  6. Step 6: Final answer
    x = 195,433,959.74

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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.