Home / 69,899,681.16-104,849,466.66-18,781,700.04

Finding the Fourth Proportional to 69,899,681.16, 104,849,466.66 and 18,781,700.04

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Solution

The fourth proportional to 69,899,681.16, 104,849,466.66 and 18,781,700.04 is: 28,172,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899,681.16 : 104,849,466.66 = 18,781,700.04 : x
  2. Step 2: Convert to fraction form
    69,899,681.16/104,849,466.66 = 18,781,700.04/x
  3. Step 3: Cross multiply
    69,899,681.16x = 104,849,466.66 × 18,781,700.04
  4. Step 4: Simplify right side
    69,899,681.16x = 1,969,251,232,162,100.50
  5. Step 5: Solve for x
    x = 1,969,251,232,162,100.50/69,899,681.16
  6. Step 6: Final answer
    x = 28,172,535.26

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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.