Home / 67,068,008.30-100,602,012.45-19,198,952.30

Finding the Fourth Proportional to 67,068,008.30, 100,602,012.45 and 19,198,952.30

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Solution

The fourth proportional to 67,068,008.30, 100,602,012.45 and 19,198,952.30 is: 28,798,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,008.30 : 100,602,012.45 = 19,198,952.30 : x
  2. Step 2: Convert to fraction form
    67,068,008.30/100,602,012.45 = 19,198,952.30/x
  3. Step 3: Cross multiply
    67,068,008.30x = 100,602,012.45 × 19,198,952.30
  4. Step 4: Simplify right side
    67,068,008.30x = 1,931,453,238,311,556.25
  5. Step 5: Solve for x
    x = 1,931,453,238,311,556.25/67,068,008.30
  6. Step 6: Final answer
    x = 28,798,428.45

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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.