Home / 66,610,316.98-91,925,747.13-40,500,511.30

Finding the Fourth Proportional to 66,610,316.98, 91,925,747.13 and 40,500,511.30

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Solution

The fourth proportional to 66,610,316.98, 91,925,747.13 and 40,500,511.30 is: 55,892,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,610,316.98 : 91,925,747.13 = 40,500,511.30 : x
  2. Step 2: Convert to fraction form
    66,610,316.98/91,925,747.13 = 40,500,511.30/x
  3. Step 3: Cross multiply
    66,610,316.98x = 91,925,747.13 × 40,500,511.30
  4. Step 4: Simplify right side
    66,610,316.98x = 3,723,039,760,399,507
  5. Step 5: Solve for x
    x = 3,723,039,760,399,507/66,610,316.98
  6. Step 6: Final answer
    x = 55,892,839.57

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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.