Home / 185,948,359.84-256,024,628.94-158,012,146.72

Finding the Fourth Proportional to 185,948,359.84, 256,024,628.94 and 158,012,146.72

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Solution

The fourth proportional to 185,948,359.84, 256,024,628.94 and 158,012,146.72 is: 217,560,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948,359.84 : 256,024,628.94 = 158,012,146.72 : x
  2. Step 2: Convert to fraction form
    185,948,359.84/256,024,628.94 = 158,012,146.72/x
  3. Step 3: Cross multiply
    185,948,359.84x = 256,024,628.94 × 158,012,146.72
  4. Step 4: Simplify right side
    185,948,359.84x = 40,455,001,232,000,840
  5. Step 5: Solve for x
    x = 40,455,001,232,000,840/185,948,359.84
  6. Step 6: Final answer
    x = 217,560,409.07

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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.