Home / 431,911,606.44-647,934,594.36-140,710,938.12

Finding the Fourth Proportional to 431,911,606.44, 647,934,594.36 and 140,710,938.12

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Solution

The fourth proportional to 431,911,606.44, 647,934,594.36 and 140,710,938.12 is: 211,088,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,911,606.44 : 647,934,594.36 = 140,710,938.12 : x
  2. Step 2: Convert to fraction form
    431,911,606.44/647,934,594.36 = 140,710,938.12/x
  3. Step 3: Cross multiply
    431,911,606.44x = 647,934,594.36 × 140,710,938.12
  4. Step 4: Simplify right side
    431,911,606.44x = 91,171,484,612,797,264
  5. Step 5: Solve for x
    x = 91,171,484,612,797,264/431,911,606.44
  6. Step 6: Final answer
    x = 211,088,295.04

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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.