Home / 117,845,715.64-162,632,157.60-65,634,774.52

Finding the Fourth Proportional to 117,845,715.64, 162,632,157.60 and 65,634,774.52

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Solution

The fourth proportional to 117,845,715.64, 162,632,157.60 and 65,634,774.52 is: 90,578,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,715.64 : 162,632,157.60 = 65,634,774.52 : x
  2. Step 2: Convert to fraction form
    117,845,715.64/162,632,157.60 = 65,634,774.52/x
  3. Step 3: Cross multiply
    117,845,715.64x = 162,632,157.60 × 65,634,774.52
  4. Step 4: Simplify right side
    117,845,715.64x = 10,674,324,993,777,104
  5. Step 5: Solve for x
    x = 10,674,324,993,777,104/117,845,715.64
  6. Step 6: Final answer
    x = 90,578,812.61

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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.