Home / 98,108,308.80-147,162,463.20-89,020,667.70

Finding the Fourth Proportional to 98,108,308.80, 147,162,463.20 and 89,020,667.70

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Solution

The fourth proportional to 98,108,308.80, 147,162,463.20 and 89,020,667.70 is: 133,531,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,108,308.80 : 147,162,463.20 = 89,020,667.70 : x
  2. Step 2: Convert to fraction form
    98,108,308.80/147,162,463.20 = 89,020,667.70/x
  3. Step 3: Cross multiply
    98,108,308.80x = 147,162,463.20 × 89,020,667.70
  4. Step 4: Simplify right side
    98,108,308.80x = 13,100,500,734,440,678
  5. Step 5: Solve for x
    x = 13,100,500,734,440,678/98,108,308.80
  6. Step 6: Final answer
    x = 133,531,001.55

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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.