Home / 240,155,178.72-331,414,429.95-130,146,891.72

Finding the Fourth Proportional to 240,155,178.72, 331,414,429.95 and 130,146,891.72

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Solution

The fourth proportional to 240,155,178.72, 331,414,429.95 and 130,146,891.72 is: 179,602,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,155,178.72 : 331,414,429.95 = 130,146,891.72 : x
  2. Step 2: Convert to fraction form
    240,155,178.72/331,414,429.95 = 130,146,891.72/x
  3. Step 3: Cross multiply
    240,155,178.72x = 331,414,429.95 × 130,146,891.72
  4. Step 4: Simplify right side
    240,155,178.72x = 43,132,557,929,148,176
  5. Step 5: Solve for x
    x = 43,132,557,929,148,176/240,155,178.72
  6. Step 6: Final answer
    x = 179,602,864.11

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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.