Home / 215,579,042.40-323,415,802.80-106,456,490.40

Finding the Fourth Proportional to 215,579,042.40, 323,415,802.80 and 106,456,490.40

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Solution

The fourth proportional to 215,579,042.40, 323,415,802.80 and 106,456,490.40 is: 159,708,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579,042.40 : 323,415,802.80 = 106,456,490.40 : x
  2. Step 2: Convert to fraction form
    215,579,042.40/323,415,802.80 = 106,456,490.40/x
  3. Step 3: Cross multiply
    215,579,042.40x = 323,415,802.80 × 106,456,490.40
  4. Step 4: Simplify right side
    215,579,042.40x = 34,429,711,305,986,496
  5. Step 5: Solve for x
    x = 34,429,711,305,986,496/215,579,042.40
  6. Step 6: Final answer
    x = 159,708,063.10

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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.