Home / 117,100,441-161,599,558.02-64,890,348.52

Finding the Fourth Proportional to 117,100,441, 161,599,558.02 and 64,890,348.52

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Solution

The fourth proportional to 117,100,441, 161,599,558.02 and 64,890,348.52 is: 89,549,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100,441 : 161,599,558.02 = 64,890,348.52 : x
  2. Step 2: Convert to fraction form
    117,100,441/161,599,558.02 = 64,890,348.52/x
  3. Step 3: Cross multiply
    117,100,441x = 161,599,558.02 × 64,890,348.52
  4. Step 4: Simplify right side
    117,100,441x = 10,486,251,640,595,762
  5. Step 5: Solve for x
    x = 10,486,251,640,595,762/117,100,441
  6. Step 6: Final answer
    x = 89,549,207.08

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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.