Home / 42,146,402.36-63,218,703.22-19,427,299.61

Finding the Fourth Proportional to 42,146,402.36, 63,218,703.22 and 19,427,299.61

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Solution

The fourth proportional to 42,146,402.36, 63,218,703.22 and 19,427,299.61 is: 29,140,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146,402.36 : 63,218,703.22 = 19,427,299.61 : x
  2. Step 2: Convert to fraction form
    42,146,402.36/63,218,703.22 = 19,427,299.61/x
  3. Step 3: Cross multiply
    42,146,402.36x = 63,218,703.22 × 19,427,299.61
  4. Step 4: Simplify right side
    42,146,402.36x = 1,228,168,688,045,950
  5. Step 5: Solve for x
    x = 1,228,168,688,045,950/42,146,402.36
  6. Step 6: Final answer
    x = 29,140,534.41

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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.