Home / 220,656,639.96-304,506,148.86-127,890,956.34

Finding the Fourth Proportional to 220,656,639.96, 304,506,148.86 and 127,890,956.34

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Solution

The fourth proportional to 220,656,639.96, 304,506,148.86 and 127,890,956.34 is: 176,489,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,656,639.96 : 304,506,148.86 = 127,890,956.34 : x
  2. Step 2: Convert to fraction form
    220,656,639.96/304,506,148.86 = 127,890,956.34/x
  3. Step 3: Cross multiply
    220,656,639.96x = 304,506,148.86 × 127,890,956.34
  4. Step 4: Simplify right side
    220,656,639.96x = 38,943,582,589,115,800
  5. Step 5: Solve for x
    x = 38,943,582,589,115,800/220,656,639.96
  6. Step 6: Final answer
    x = 176,489,511.47

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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.