Home / 146,645,950.20-220,136,886.90-86,095,793.40

Finding the Fourth Proportional to 146,645,950.20, 220,136,886.90 and 86,095,793.40

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Solution

The fourth proportional to 146,645,950.20, 220,136,886.90 and 86,095,793.40 is: 129,242,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,645,950.20 : 220,136,886.90 = 86,095,793.40 : x
  2. Step 2: Convert to fraction form
    146,645,950.20/220,136,886.90 = 86,095,793.40/x
  3. Step 3: Cross multiply
    146,645,950.20x = 220,136,886.90 × 86,095,793.40
  4. Step 4: Simplify right side
    146,645,950.20x = 18,952,859,934,261,568
  5. Step 5: Solve for x
    x = 18,952,859,934,261,568/146,645,950.20
  6. Step 6: Final answer
    x = 129,242,300.31

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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.