Home / 159,891,669.82-239,801,246.93-72,395,426.02

Finding the Fourth Proportional to 159,891,669.82, 239,801,246.93 and 72,395,426.02

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Solution

The fourth proportional to 159,891,669.82, 239,801,246.93 and 72,395,426.02 is: 108,576,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891,669.82 : 239,801,246.93 = 72,395,426.02 : x
  2. Step 2: Convert to fraction form
    159,891,669.82/239,801,246.93 = 72,395,426.02/x
  3. Step 3: Cross multiply
    159,891,669.82x = 239,801,246.93 × 72,395,426.02
  4. Step 4: Simplify right side
    159,891,669.82x = 17,360,513,431,624,566
  5. Step 5: Solve for x
    x = 17,360,513,431,624,566/159,891,669.82
  6. Step 6: Final answer
    x = 108,576,722.30

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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.