Home / 100,966,555.65-151,569,407.70-57,282,105.45

Finding the Fourth Proportional to 100,966,555.65, 151,569,407.70 and 57,282,105.45

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Solution

The fourth proportional to 100,966,555.65, 151,569,407.70 and 57,282,105.45 is: 85,990,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,966,555.65 : 151,569,407.70 = 57,282,105.45 : x
  2. Step 2: Convert to fraction form
    100,966,555.65/151,569,407.70 = 57,282,105.45/x
  3. Step 3: Cross multiply
    100,966,555.65x = 151,569,407.70 × 57,282,105.45
  4. Step 4: Simplify right side
    100,966,555.65x = 8,682,214,794,865,442
  5. Step 5: Solve for x
    x = 8,682,214,794,865,442/100,966,555.65
  6. Step 6: Final answer
    x = 85,990,997.11

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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.