Home / 71,773,030.80-107,684,429.40-31,412,480.40

Finding the Fourth Proportional to 71,773,030.80, 107,684,429.40 and 31,412,480.40

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Solution

The fourth proportional to 71,773,030.80, 107,684,429.40 and 31,412,480.40 is: 47,129,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,773,030.80 : 107,684,429.40 = 31,412,480.40 : x
  2. Step 2: Convert to fraction form
    71,773,030.80/107,684,429.40 = 31,412,480.40/x
  3. Step 3: Cross multiply
    71,773,030.80x = 107,684,429.40 × 31,412,480.40
  4. Step 4: Simplify right side
    71,773,030.80x = 3,382,635,027,912,684
  5. Step 5: Solve for x
    x = 3,382,635,027,912,684/71,773,030.80
  6. Step 6: Final answer
    x = 47,129,611.08

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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.