Home / 130,408,487.92-179,959,907.82-74,652,060.16

Finding the Fourth Proportional to 130,408,487.92, 179,959,907.82 and 74,652,060.16

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Solution

The fourth proportional to 130,408,487.92, 179,959,907.82 and 74,652,060.16 is: 103,017,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,487.92 : 179,959,907.82 = 74,652,060.16 : x
  2. Step 2: Convert to fraction form
    130,408,487.92/179,959,907.82 = 74,652,060.16/x
  3. Step 3: Cross multiply
    130,408,487.92x = 179,959,907.82 × 74,652,060.16
  4. Step 4: Simplify right side
    130,408,487.92x = 13,434,377,864,966,694
  5. Step 5: Solve for x
    x = 13,434,377,864,966,694/130,408,487.92
  6. Step 6: Final answer
    x = 103,017,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.