Home / 117,101,087.06-161,600,462.91-64,890,994.61

Finding the Fourth Proportional to 117,101,087.06, 161,600,462.91 and 64,890,994.61

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Solution

The fourth proportional to 117,101,087.06, 161,600,462.91 and 64,890,994.61 is: 89,550,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,087.06 : 161,600,462.91 = 64,890,994.61 : x
  2. Step 2: Convert to fraction form
    117,101,087.06/161,600,462.91 = 64,890,994.61/x
  3. Step 3: Cross multiply
    117,101,087.06x = 161,600,462.91 × 64,890,994.61
  4. Step 4: Simplify right side
    117,101,087.06x = 10,486,414,768,070,316
  5. Step 5: Solve for x
    x = 10,486,414,768,070,316/117,101,087.06
  6. Step 6: Final answer
    x = 89,550,106.08

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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.