Home / 79,734,350.40-119,595,304.80-31,202,779.20

Finding the Fourth Proportional to 79,734,350.40, 119,595,304.80 and 31,202,779.20

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Solution

The fourth proportional to 79,734,350.40, 119,595,304.80 and 31,202,779.20 is: 46,801,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,734,350.40 : 119,595,304.80 = 31,202,779.20 : x
  2. Step 2: Convert to fraction form
    79,734,350.40/119,595,304.80 = 31,202,779.20/x
  3. Step 3: Cross multiply
    79,734,350.40x = 119,595,304.80 × 31,202,779.20
  4. Step 4: Simplify right side
    79,734,350.40x = 3,731,705,889,031,100
  5. Step 5: Solve for x
    x = 3,731,705,889,031,100/79,734,350.40
  6. Step 6: Final answer
    x = 46,801,734.39

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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.