Home / 117,845,733.20-162,632,180.10-65,634,792.08

Finding the Fourth Proportional to 117,845,733.20, 162,632,180.10 and 65,634,792.08

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Solution

The fourth proportional to 117,845,733.20, 162,632,180.10 and 65,634,792.08 is: 90,578,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,733.20 : 162,632,180.10 = 65,634,792.08 : x
  2. Step 2: Convert to fraction form
    117,845,733.20/162,632,180.10 = 65,634,792.08/x
  3. Step 3: Cross multiply
    117,845,733.20x = 162,632,180.10 × 65,634,792.08
  4. Step 4: Simplify right side
    117,845,733.20x = 10,674,329,326,380,612
  5. Step 5: Solve for x
    x = 10,674,329,326,380,612/117,845,733.20
  6. Step 6: Final answer
    x = 90,578,835.88

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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.