Home / 66,430,217.70-99,645,326.55-60,371,790.30

Finding the Fourth Proportional to 66,430,217.70, 99,645,326.55 and 60,371,790.30

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Solution

The fourth proportional to 66,430,217.70, 99,645,326.55 and 60,371,790.30 is: 90,557,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,217.70 : 99,645,326.55 = 60,371,790.30 : x
  2. Step 2: Convert to fraction form
    66,430,217.70/99,645,326.55 = 60,371,790.30/x
  3. Step 3: Cross multiply
    66,430,217.70x = 99,645,326.55 × 60,371,790.30
  4. Step 4: Simplify right side
    66,430,217.70x = 6,015,766,758,851,622
  5. Step 5: Solve for x
    x = 6,015,766,758,851,622/66,430,217.70
  6. Step 6: Final answer
    x = 90,557,685.45

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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.