Home / 66,071,945.80-99,107,918.70-43,113,694.60

Finding the Fourth Proportional to 66,071,945.80, 99,107,918.70 and 43,113,694.60

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Solution

The fourth proportional to 66,071,945.80, 99,107,918.70 and 43,113,694.60 is: 64,670,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071,945.80 : 99,107,918.70 = 43,113,694.60 : x
  2. Step 2: Convert to fraction form
    66,071,945.80/99,107,918.70 = 43,113,694.60/x
  3. Step 3: Cross multiply
    66,071,945.80x = 99,107,918.70 × 43,113,694.60
  4. Step 4: Simplify right side
    66,071,945.80x = 4,272,908,539,273,429.50
  5. Step 5: Solve for x
    x = 4,272,908,539,273,429.50/66,071,945.80
  6. Step 6: Final answer
    x = 64,670,541.90

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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.