Home / 137,866,383.84-206,818,484.64-61,187,714.40

Finding the Fourth Proportional to 137,866,383.84, 206,818,484.64 and 61,187,714.40

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Solution

The fourth proportional to 137,866,383.84, 206,818,484.64 and 61,187,714.40 is: 91,789,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,866,383.84 : 206,818,484.64 = 61,187,714.40 : x
  2. Step 2: Convert to fraction form
    137,866,383.84/206,818,484.64 = 61,187,714.40/x
  3. Step 3: Cross multiply
    137,866,383.84x = 206,818,484.64 × 61,187,714.40
  4. Step 4: Simplify right side
    137,866,383.84x = 12,654,750,370,793,106
  5. Step 5: Solve for x
    x = 12,654,750,370,793,106/137,866,383.84
  6. Step 6: Final answer
    x = 91,789,963.72

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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.