Home / 288,606,625.20-432,867,947.40-84,113,377.20

Finding the Fourth Proportional to 288,606,625.20, 432,867,947.40 and 84,113,377.20

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Solution

The fourth proportional to 288,606,625.20, 432,867,947.40 and 84,113,377.20 is: 126,157,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,606,625.20 : 432,867,947.40 = 84,113,377.20 : x
  2. Step 2: Convert to fraction form
    288,606,625.20/432,867,947.40 = 84,113,377.20/x
  3. Step 3: Cross multiply
    288,606,625.20x = 432,867,947.40 × 84,113,377.20
  4. Step 4: Simplify right side
    288,606,625.20x = 36,409,984,937,445,960
  5. Step 5: Solve for x
    x = 36,409,984,937,445,960/288,606,625.20
  6. Step 6: Final answer
    x = 126,157,827.85

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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.