Home / 42,819,111.80-64,210,005.30-17,251,623.80

Finding the Fourth Proportional to 42,819,111.80, 64,210,005.30 and 17,251,623.80

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Solution

The fourth proportional to 42,819,111.80, 64,210,005.30 and 17,251,623.80 is: 25,869,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819,111.80 : 64,210,005.30 = 17,251,623.80 : x
  2. Step 2: Convert to fraction form
    42,819,111.80/64,210,005.30 = 17,251,623.80/x
  3. Step 3: Cross multiply
    42,819,111.80x = 64,210,005.30 × 17,251,623.80
  4. Step 4: Simplify right side
    42,819,111.80x = 1,107,726,855,631,606.12
  5. Step 5: Solve for x
    x = 1,107,726,855,631,606.12/42,819,111.80
  6. Step 6: Final answer
    x = 25,869,916.70

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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.