Home / 156,573,042.45-216,073,474.74-86,011,625.85

Finding the Fourth Proportional to 156,573,042.45, 216,073,474.74 and 86,011,625.85

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Solution

The fourth proportional to 156,573,042.45, 216,073,474.74 and 86,011,625.85 is: 118,697,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,573,042.45 : 216,073,474.74 = 86,011,625.85 : x
  2. Step 2: Convert to fraction form
    156,573,042.45/216,073,474.74 = 86,011,625.85/x
  3. Step 3: Cross multiply
    156,573,042.45x = 216,073,474.74 × 86,011,625.85
  4. Step 4: Simplify right side
    156,573,042.45x = 18,584,830,865,446,304
  5. Step 5: Solve for x
    x = 18,584,830,865,446,304/156,573,042.45
  6. Step 6: Final answer
    x = 118,697,513.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.