Home / 158,578,390.56-237,821,573.04-66,459,721.44

Finding the Fourth Proportional to 158,578,390.56, 237,821,573.04 and 66,459,721.44

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Solution

The fourth proportional to 158,578,390.56, 237,821,573.04 and 66,459,721.44 is: 99,670,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,578,390.56 : 237,821,573.04 = 66,459,721.44 : x
  2. Step 2: Convert to fraction form
    158,578,390.56/237,821,573.04 = 66,459,721.44/x
  3. Step 3: Cross multiply
    158,578,390.56x = 237,821,573.04 × 66,459,721.44
  4. Step 4: Simplify right side
    158,578,390.56x = 15,805,555,496,661,012
  5. Step 5: Solve for x
    x = 15,805,555,496,661,012/158,578,390.56
  6. Step 6: Final answer
    x = 99,670,298.34

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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.