Home / 131,154,773.40-196,732,160.10-40,266,552.60

Finding the Fourth Proportional to 131,154,773.40, 196,732,160.10 and 40,266,552.60

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Solution

The fourth proportional to 131,154,773.40, 196,732,160.10 and 40,266,552.60 is: 60,399,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154,773.40 : 196,732,160.10 = 40,266,552.60 : x
  2. Step 2: Convert to fraction form
    131,154,773.40/196,732,160.10 = 40,266,552.60/x
  3. Step 3: Cross multiply
    131,154,773.40x = 196,732,160.10 × 40,266,552.60
  4. Step 4: Simplify right side
    131,154,773.40x = 7,921,725,872,778,271
  5. Step 5: Solve for x
    x = 7,921,725,872,778,271/131,154,773.40
  6. Step 6: Final answer
    x = 60,399,828.90

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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.