Home / 66,447,176.40-99,670,764.60-40,805,038.80

Finding the Fourth Proportional to 66,447,176.40, 99,670,764.60 and 40,805,038.80

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Solution

The fourth proportional to 66,447,176.40, 99,670,764.60 and 40,805,038.80 is: 61,207,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447,176.40 : 99,670,764.60 = 40,805,038.80 : x
  2. Step 2: Convert to fraction form
    66,447,176.40/99,670,764.60 = 40,805,038.80/x
  3. Step 3: Cross multiply
    66,447,176.40x = 99,670,764.60 × 40,805,038.80
  4. Step 4: Simplify right side
    66,447,176.40x = 4,067,069,416,728,666
  5. Step 5: Solve for x
    x = 4,067,069,416,728,666/66,447,176.40
  6. Step 6: Final answer
    x = 61,207,558.20

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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.