Home / 100,748,548.82-151,122,320.62-39,343,946.52

Finding the Fourth Proportional to 100,748,548.82, 151,122,320.62 and 39,343,946.52

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Solution

The fourth proportional to 100,748,548.82, 151,122,320.62 and 39,343,946.52 is: 59,015,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,748,548.82 : 151,122,320.62 = 39,343,946.52 : x
  2. Step 2: Convert to fraction form
    100,748,548.82/151,122,320.62 = 39,343,946.52/x
  3. Step 3: Cross multiply
    100,748,548.82x = 151,122,320.62 × 39,343,946.52
  4. Step 4: Simplify right side
    100,748,548.82x = 5,945,748,500,451,574
  5. Step 5: Solve for x
    x = 5,945,748,500,451,574/100,748,548.82
  6. Step 6: Final answer
    x = 59,015,723.50

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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.