Home / 147,020,657.40-220,195,062.90-86,554,481.40

Finding the Fourth Proportional to 147,020,657.40, 220,195,062.90 and 86,554,481.40

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Solution

The fourth proportional to 147,020,657.40, 220,195,062.90 and 86,554,481.40 is: 129,633,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020,657.40 : 220,195,062.90 = 86,554,481.40 : x
  2. Step 2: Convert to fraction form
    147,020,657.40/220,195,062.90 = 86,554,481.40/x
  3. Step 3: Cross multiply
    147,020,657.40x = 220,195,062.90 × 86,554,481.40
  4. Step 4: Simplify right side
    147,020,657.40x = 19,058,869,476,149,880
  5. Step 5: Solve for x
    x = 19,058,869,476,149,880/147,020,657.40
  6. Step 6: Final answer
    x = 129,633,956.30

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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.