Home / 66,736,091.20-99,936,175.20-43,893,313.60

Finding the Fourth Proportional to 66,736,091.20, 99,936,175.20 and 43,893,313.60

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Solution

The fourth proportional to 66,736,091.20, 99,936,175.20 and 43,893,313.60 is: 65,729,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736,091.20 : 99,936,175.20 = 43,893,313.60 : x
  2. Step 2: Convert to fraction form
    66,736,091.20/99,936,175.20 = 43,893,313.60/x
  3. Step 3: Cross multiply
    66,736,091.20x = 99,936,175.20 × 43,893,313.60
  4. Step 4: Simplify right side
    66,736,091.20x = 4,386,529,878,038,143
  5. Step 5: Solve for x
    x = 4,386,529,878,038,143/66,736,091.20
  6. Step 6: Final answer
    x = 65,729,499.57

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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.