Home / 117,120,922.76-161,626,888.73-64,913,328.97

Finding the Fourth Proportional to 117,120,922.76, 161,626,888.73 and 64,913,328.97

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Solution

The fourth proportional to 117,120,922.76, 161,626,888.73 and 64,913,328.97 is: 89,580,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120,922.76 : 161,626,888.73 = 64,913,328.97 : x
  2. Step 2: Convert to fraction form
    117,120,922.76/161,626,888.73 = 64,913,328.97/x
  3. Step 3: Cross multiply
    117,120,922.76x = 161,626,888.73 × 64,913,328.97
  4. Step 4: Simplify right side
    117,120,922.76x = 10,491,739,398,286,290
  5. Step 5: Solve for x
    x = 10,491,739,398,286,290/117,120,922.76
  6. Step 6: Final answer
    x = 89,580,402.47

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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.