Home / 42,768,266.20-64,152,399.30-42,390,352.60

Finding the Fourth Proportional to 42,768,266.20, 64,152,399.30 and 42,390,352.60

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Solution

The fourth proportional to 42,768,266.20, 64,152,399.30 and 42,390,352.60 is: 63,585,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,266.20 : 64,152,399.30 = 42,390,352.60 : x
  2. Step 2: Convert to fraction form
    42,768,266.20/64,152,399.30 = 42,390,352.60/x
  3. Step 3: Cross multiply
    42,768,266.20x = 64,152,399.30 × 42,390,352.60
  4. Step 4: Simplify right side
    42,768,266.20x = 2,719,442,826,462,993
  5. Step 5: Solve for x
    x = 2,719,442,826,462,993/42,768,266.20
  6. Step 6: Final answer
    x = 63,585,528.90

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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.