Home / 100,805,515.43-151,208,273.14-52,377,954.30

Finding the Fourth Proportional to 100,805,515.43, 151,208,273.14 and 52,377,954.30

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Solution

The fourth proportional to 100,805,515.43, 151,208,273.14 and 52,377,954.30 is: 78,566,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,805,515.43 : 151,208,273.14 = 52,377,954.30 : x
  2. Step 2: Convert to fraction form
    100,805,515.43/151,208,273.14 = 52,377,954.30/x
  3. Step 3: Cross multiply
    100,805,515.43x = 151,208,273.14 × 52,377,954.30
  4. Step 4: Simplify right side
    100,805,515.43x = 7,919,980,020,308,836
  5. Step 5: Solve for x
    x = 7,919,980,020,308,836/100,805,515.43
  6. Step 6: Final answer
    x = 78,566,931.45

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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.