Home / 66,533,007.80-99,799,511.70-43,574,756.60

Finding the Fourth Proportional to 66,533,007.80, 99,799,511.70 and 43,574,756.60

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Solution

The fourth proportional to 66,533,007.80, 99,799,511.70 and 43,574,756.60 is: 65,362,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533,007.80 : 99,799,511.70 = 43,574,756.60 : x
  2. Step 2: Convert to fraction form
    66,533,007.80/99,799,511.70 = 43,574,756.60/x
  3. Step 3: Cross multiply
    66,533,007.80x = 99,799,511.70 × 43,574,756.60
  4. Step 4: Simplify right side
    66,533,007.80x = 4,348,739,431,126,352.50
  5. Step 5: Solve for x
    x = 4,348,739,431,126,352.50/66,533,007.80
  6. Step 6: Final answer
    x = 65,362,134.90

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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.