Home / 42,317,631.28-63,496,506.66-20,445,750.10

Finding the Fourth Proportional to 42,317,631.28, 63,496,506.66 and 20,445,750.10

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Solution

The fourth proportional to 42,317,631.28, 63,496,506.66 and 20,445,750.10 is: 30,678,317.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,317,631.28 : 63,496,506.66 = 20,445,750.10 : x
  2. Step 2: Convert to fraction form
    42,317,631.28/63,496,506.66 = 20,445,750.10/x
  3. Step 3: Cross multiply
    42,317,631.28x = 63,496,506.66 × 20,445,750.10
  4. Step 4: Simplify right side
    42,317,631.28x = 1,298,233,707,393,345.75
  5. Step 5: Solve for x
    x = 1,298,233,707,393,345.75/42,317,631.28
  6. Step 6: Final answer
    x = 30,678,317.01

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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.