Home / 187,605,069.03-258,895,019.80-103,978,598.60

Finding the Fourth Proportional to 187,605,069.03, 258,895,019.80 and 103,978,598.60

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Solution

The fourth proportional to 187,605,069.03, 258,895,019.80 and 103,978,598.60 is: 143,490,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,605,069.03 : 258,895,019.80 = 103,978,598.60 : x
  2. Step 2: Convert to fraction form
    187,605,069.03/258,895,019.80 = 103,978,598.60/x
  3. Step 3: Cross multiply
    187,605,069.03x = 258,895,019.80 × 103,978,598.60
  4. Step 4: Simplify right side
    187,605,069.03x = 26,919,541,342,935,960
  5. Step 5: Solve for x
    x = 26,919,541,342,935,960/187,605,069.03
  6. Step 6: Final answer
    x = 143,490,479.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.