Home / 143,993,715-216,032,401.31-51,875,700.36

Finding the Fourth Proportional to 143,993,715, 216,032,401.31 and 51,875,700.36

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Solution

The fourth proportional to 143,993,715, 216,032,401.31 and 51,875,700.36 is: 77,828,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,993,715 : 216,032,401.31 = 51,875,700.36 : x
  2. Step 2: Convert to fraction form
    143,993,715/216,032,401.31 = 51,875,700.36/x
  3. Step 3: Cross multiply
    143,993,715x = 216,032,401.31 × 51,875,700.36
  4. Step 4: Simplify right side
    143,993,715x = 11,206,832,118,149,454
  5. Step 5: Solve for x
    x = 11,206,832,118,149,454/143,993,715
  6. Step 6: Final answer
    x = 77,828,619.94

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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.