Home / 143,993,718-216,032,405.81-51,875,703.36

Finding the Fourth Proportional to 143,993,718, 216,032,405.81 and 51,875,703.36

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Solution

The fourth proportional to 143,993,718, 216,032,405.81 and 51,875,703.36 is: 77,828,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,993,718 : 216,032,405.81 = 51,875,703.36 : x
  2. Step 2: Convert to fraction form
    143,993,718/216,032,405.81 = 51,875,703.36/x
  3. Step 3: Cross multiply
    143,993,718x = 216,032,405.81 × 51,875,703.36
  4. Step 4: Simplify right side
    143,993,718x = 11,206,832,999,946,700
  5. Step 5: Solve for x
    x = 11,206,832,999,946,700/143,993,718
  6. Step 6: Final answer
    x = 77,828,624.44

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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.