Home / 70,781,555.68-106,179,914.16-19,663,721.44

Finding the Fourth Proportional to 70,781,555.68, 106,179,914.16 and 19,663,721.44

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Solution

The fourth proportional to 70,781,555.68, 106,179,914.16 and 19,663,721.44 is: 29,497,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781,555.68 : 106,179,914.16 = 19,663,721.44 : x
  2. Step 2: Convert to fraction form
    70,781,555.68/106,179,914.16 = 19,663,721.44/x
  3. Step 3: Cross multiply
    70,781,555.68x = 106,179,914.16 × 19,663,721.44
  4. Step 4: Simplify right side
    70,781,555.68x = 2,087,892,254,565,351.75
  5. Step 5: Solve for x
    x = 2,087,892,254,565,351.75/70,781,555.68
  6. Step 6: Final answer
    x = 29,497,688.13

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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.