Home / 402,409,848.30-603,614,772.45-115,195,512.30

Finding the Fourth Proportional to 402,409,848.30, 603,614,772.45 and 115,195,512.30

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Solution

The fourth proportional to 402,409,848.30, 603,614,772.45 and 115,195,512.30 is: 172,793,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,409,848.30 : 603,614,772.45 = 115,195,512.30 : x
  2. Step 2: Convert to fraction form
    402,409,848.30/603,614,772.45 = 115,195,512.30/x
  3. Step 3: Cross multiply
    402,409,848.30x = 603,614,772.45 × 115,195,512.30
  4. Step 4: Simplify right side
    402,409,848.30x = 69,533,712,944,225,680
  5. Step 5: Solve for x
    x = 69,533,712,944,225,680/402,409,848.30
  6. Step 6: Final answer
    x = 172,793,268.45

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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.