Home / 154,369,094.40-231,335,947.20-85,312,994.76

Finding the Fourth Proportional to 154,369,094.40, 231,335,947.20 and 85,312,994.76

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Solution

The fourth proportional to 154,369,094.40, 231,335,947.20 and 85,312,994.76 is: 127,849,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,369,094.40 : 231,335,947.20 = 85,312,994.76 : x
  2. Step 2: Convert to fraction form
    154,369,094.40/231,335,947.20 = 85,312,994.76/x
  3. Step 3: Cross multiply
    154,369,094.40x = 231,335,947.20 × 85,312,994.76
  4. Step 4: Simplify right side
    154,369,094.40x = 19,735,962,451,273,236
  5. Step 5: Solve for x
    x = 19,735,962,451,273,236/154,369,094.40
  6. Step 6: Final answer
    x = 127,849,182.04

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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.