Home / 143,993,716-216,032,402.81-51,875,701.36

Finding the Fourth Proportional to 143,993,716, 216,032,402.81 and 51,875,701.36

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Solution

The fourth proportional to 143,993,716, 216,032,402.81 and 51,875,701.36 is: 77,828,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,993,716 : 216,032,402.81 = 51,875,701.36 : x
  2. Step 2: Convert to fraction form
    143,993,716/216,032,402.81 = 51,875,701.36/x
  3. Step 3: Cross multiply
    143,993,716x = 216,032,402.81 × 51,875,701.36
  4. Step 4: Simplify right side
    143,993,716x = 11,206,832,412,254,784
  5. Step 5: Solve for x
    x = 11,206,832,412,254,784/143,993,716
  6. Step 6: Final answer
    x = 77,828,621.44

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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.