Home / 66,225,277-99,338,800.02-20,787,071.50

Finding the Fourth Proportional to 66,225,277, 99,338,800.02 and 20,787,071.50

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Solution

The fourth proportional to 66,225,277, 99,338,800.02 and 20,787,071.50 is: 31,180,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225,277 : 99,338,800.02 = 20,787,071.50 : x
  2. Step 2: Convert to fraction form
    66,225,277/99,338,800.02 = 20,787,071.50/x
  3. Step 3: Cross multiply
    66,225,277x = 99,338,800.02 × 20,787,071.50
  4. Step 4: Simplify right side
    66,225,277x = 2,064,962,738,739,941.25
  5. Step 5: Solve for x
    x = 2,064,962,738,739,941.25/66,225,277
  6. Step 6: Final answer
    x = 31,180,884.89

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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.