Home / 117,120,903.64-161,626,862.33-64,913,309.84

Finding the Fourth Proportional to 117,120,903.64, 161,626,862.33 and 64,913,309.84

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Solution

The fourth proportional to 117,120,903.64, 161,626,862.33 and 64,913,309.84 is: 89,580,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120,903.64 : 161,626,862.33 = 64,913,309.84 : x
  2. Step 2: Convert to fraction form
    117,120,903.64/161,626,862.33 = 64,913,309.84/x
  3. Step 3: Cross multiply
    117,120,903.64x = 161,626,862.33 × 64,913,309.84
  4. Step 4: Simplify right side
    117,120,903.64x = 10,491,734,593,217,240
  5. Step 5: Solve for x
    x = 10,491,734,593,217,240/117,120,903.64
  6. Step 6: Final answer
    x = 89,580,376.07

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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.