Home / 79,165,025.40-118,836,011.70-73,967,201.40

Finding the Fourth Proportional to 79,165,025.40, 118,836,011.70 and 73,967,201.40

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Solution

The fourth proportional to 79,165,025.40, 118,836,011.70 and 73,967,201.40 is: 111,033,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,165,025.40 : 118,836,011.70 = 73,967,201.40 : x
  2. Step 2: Convert to fraction form
    79,165,025.40/118,836,011.70 = 73,967,201.40/x
  3. Step 3: Cross multiply
    79,165,025.40x = 118,836,011.70 × 73,967,201.40
  4. Step 4: Simplify right side
    79,165,025.40x = 8,789,967,210,986,657
  5. Step 5: Solve for x
    x = 8,789,967,210,986,657/79,165,025.40
  6. Step 6: Final answer
    x = 111,033,466.69

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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.