Home / 100,748,855.16-151,122,786.54-39,344,251.11

Finding the Fourth Proportional to 100,748,855.16, 151,122,786.54 and 39,344,251.11

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Solution

The fourth proportional to 100,748,855.16, 151,122,786.54 and 39,344,251.11 is: 59,016,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,748,855.16 : 151,122,786.54 = 39,344,251.11 : x
  2. Step 2: Convert to fraction form
    100,748,855.16/151,122,786.54 = 39,344,251.11/x
  3. Step 3: Cross multiply
    100,748,855.16x = 151,122,786.54 × 39,344,251.11
  4. Step 4: Simplify right side
    100,748,855.16x = 5,945,812,862,072,688
  5. Step 5: Solve for x
    x = 5,945,812,862,072,688/100,748,855.16
  6. Step 6: Final answer
    x = 59,016,182.89

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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.