Home / 159,438,720.81-239,158,084.01-38,270,172.81

Finding the Fourth Proportional to 159,438,720.81, 239,158,084.01 and 38,270,172.81

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Solution

The fourth proportional to 159,438,720.81, 239,158,084.01 and 38,270,172.81 is: 57,405,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,438,720.81 : 239,158,084.01 = 38,270,172.81 : x
  2. Step 2: Convert to fraction form
    159,438,720.81/239,158,084.01 = 38,270,172.81/x
  3. Step 3: Cross multiply
    159,438,720.81x = 239,158,084.01 × 38,270,172.81
  4. Step 4: Simplify right side
    159,438,720.81x = 9,152,621,204,676,690
  5. Step 5: Solve for x
    x = 9,152,621,204,676,690/159,438,720.81
  6. Step 6: Final answer
    x = 57,405,259.89

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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.