Home / 210,306,687,844.92-315,462,455,123.76-76,011,377,083.80

Finding the Fourth Proportional to 210,306,687,844.92, 315,462,455,123.76 and 76,011,377,083.80

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Solution

The fourth proportional to 210,306,687,844.92, 315,462,455,123.76 and 76,011,377,083.80 is: 114,017,941,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,306,687,844.92 : 315,462,455,123.76 = 76,011,377,083.80 : x
  2. Step 2: Convert to fraction form
    210,306,687,844.92/315,462,455,123.76 = 76,011,377,083.80/x
  3. Step 3: Cross multiply
    210,306,687,844.92x = 315,462,455,123.76 × 76,011,377,083.80
  4. Step 4: Simplify right side
    210,306,687,844.92x = 23,978,735,632,193,456,963,584
  5. Step 5: Solve for x
    x = 23,978,735,632,193,456,963,584/210,306,687,844.92
  6. Step 6: Final answer
    x = 114,017,941,502.06

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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.