Home / 131,637,621.80-197,456,432.70-99,113,432.60

Finding the Fourth Proportional to 131,637,621.80, 197,456,432.70 and 99,113,432.60

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Solution

The fourth proportional to 131,637,621.80, 197,456,432.70 and 99,113,432.60 is: 148,670,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,637,621.80 : 197,456,432.70 = 99,113,432.60 : x
  2. Step 2: Convert to fraction form
    131,637,621.80/197,456,432.70 = 99,113,432.60/x
  3. Step 3: Cross multiply
    131,637,621.80x = 197,456,432.70 × 99,113,432.60
  4. Step 4: Simplify right side
    131,637,621.80x = 19,570,584,833,847,884
  5. Step 5: Solve for x
    x = 19,570,584,833,847,884/131,637,621.80
  6. Step 6: Final answer
    x = 148,670,148.90

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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.