Home / 117,101,259.70-161,600,687.20-64,891,167.46

Finding the Fourth Proportional to 117,101,259.70, 161,600,687.20 and 64,891,167.46

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Solution

The fourth proportional to 117,101,259.70, 161,600,687.20 and 64,891,167.46 is: 89,550,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,259.70 : 161,600,687.20 = 64,891,167.46 : x
  2. Step 2: Convert to fraction form
    117,101,259.70/161,600,687.20 = 64,891,167.46/x
  3. Step 3: Cross multiply
    117,101,259.70x = 161,600,687.20 × 64,891,167.46
  4. Step 4: Simplify right side
    117,101,259.70x = 10,486,457,254,746,278
  5. Step 5: Solve for x
    x = 10,486,457,254,746,278/117,101,259.70
  6. Step 6: Final answer
    x = 89,550,336.88

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1.5x scale

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.