Home / 167,947,641.60-251,921,462.40-71,012,803.20

Finding the Fourth Proportional to 167,947,641.60, 251,921,462.40 and 71,012,803.20

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Solution

The fourth proportional to 167,947,641.60, 251,921,462.40 and 71,012,803.20 is: 106,519,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947,641.60 : 251,921,462.40 = 71,012,803.20 : x
  2. Step 2: Convert to fraction form
    167,947,641.60/251,921,462.40 = 71,012,803.20/x
  3. Step 3: Cross multiply
    167,947,641.60x = 251,921,462.40 × 71,012,803.20
  4. Step 4: Simplify right side
    167,947,641.60x = 17,889,649,231,267,400
  5. Step 5: Solve for x
    x = 17,889,649,231,267,400/167,947,641.60
  6. Step 6: Final answer
    x = 106,519,204.80

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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.