Home / 69,547,711.60-104,321,567.40-18,437,618.80

Finding the Fourth Proportional to 69,547,711.60, 104,321,567.40 and 18,437,618.80

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Solution

The fourth proportional to 69,547,711.60, 104,321,567.40 and 18,437,618.80 is: 27,656,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547,711.60 : 104,321,567.40 = 18,437,618.80 : x
  2. Step 2: Convert to fraction form
    69,547,711.60/104,321,567.40 = 18,437,618.80/x
  3. Step 3: Cross multiply
    69,547,711.60x = 104,321,567.40 × 18,437,618.80
  4. Step 4: Simplify right side
    69,547,711.60x = 1,923,441,292,339,707.25
  5. Step 5: Solve for x
    x = 1,923,441,292,339,707.25/69,547,711.60
  6. Step 6: Final answer
    x = 27,656,428.20

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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.