Home / 66,441,829.20-99,619,441.20-59,639,384.40

Finding the Fourth Proportional to 66,441,829.20, 99,619,441.20 and 59,639,384.40

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Solution

The fourth proportional to 66,441,829.20, 99,619,441.20 and 59,639,384.40 is: 89,420,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,829.20 : 99,619,441.20 = 59,639,384.40 : x
  2. Step 2: Convert to fraction form
    66,441,829.20/99,619,441.20 = 59,639,384.40/x
  3. Step 3: Cross multiply
    66,441,829.20x = 99,619,441.20 × 59,639,384.40
  4. Step 4: Simplify right side
    66,441,829.20x = 5,941,242,147,439,997
  5. Step 5: Solve for x
    x = 5,941,242,147,439,997/66,441,829.20
  6. Step 6: Final answer
    x = 89,420,207.41

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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.