Home / 217,258,563.68-299,822,500.02-118,145,107.70

Finding the Fourth Proportional to 217,258,563.68, 299,822,500.02 and 118,145,107.70

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Solution

The fourth proportional to 217,258,563.68, 299,822,500.02 and 118,145,107.70 is: 163,043,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,563.68 : 299,822,500.02 = 118,145,107.70 : x
  2. Step 2: Convert to fraction form
    217,258,563.68/299,822,500.02 = 118,145,107.70/x
  3. Step 3: Cross multiply
    217,258,563.68x = 299,822,500.02 × 118,145,107.70
  4. Step 4: Simplify right side
    217,258,563.68x = 35,422,561,555,746,152
  5. Step 5: Solve for x
    x = 35,422,561,555,746,152/217,258,563.68
  6. Step 6: Final answer
    x = 163,043,338.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.