Home / 201,552,818.80-278,125,157.47-112,238,013.96

Finding the Fourth Proportional to 201,552,818.80, 278,125,157.47 and 112,238,013.96

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Solution

The fourth proportional to 201,552,818.80, 278,125,157.47 and 112,238,013.96 is: 154,878,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,818.80 : 278,125,157.47 = 112,238,013.96 : x
  2. Step 2: Convert to fraction form
    201,552,818.80/278,125,157.47 = 112,238,013.96/x
  3. Step 3: Cross multiply
    201,552,818.80x = 278,125,157.47 × 112,238,013.96
  4. Step 4: Simplify right side
    201,552,818.80x = 31,216,215,306,464,460
  5. Step 5: Solve for x
    x = 31,216,215,306,464,460/201,552,818.80
  6. Step 6: Final answer
    x = 154,878,584.64

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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.