Home / 167,947,643.60-251,921,465.40-71,012,805.20

Finding the Fourth Proportional to 167,947,643.60, 251,921,465.40 and 71,012,805.20

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Solution

The fourth proportional to 167,947,643.60, 251,921,465.40 and 71,012,805.20 is: 106,519,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,947,643.60 : 251,921,465.40 = 71,012,805.20 : x
  2. Step 2: Convert to fraction form
    167,947,643.60/251,921,465.40 = 71,012,805.20/x
  3. Step 3: Cross multiply
    167,947,643.60x = 251,921,465.40 × 71,012,805.20
  4. Step 4: Simplify right side
    167,947,643.60x = 17,889,649,948,148,742
  5. Step 5: Solve for x
    x = 17,889,649,948,148,742/167,947,643.60
  6. Step 6: Final answer
    x = 106,519,207.80

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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.