Home / 117,405,841.69-162,020,352.64-65,194,872.63

Finding the Fourth Proportional to 117,405,841.69, 162,020,352.64 and 65,194,872.63

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Solution

The fourth proportional to 117,405,841.69, 162,020,352.64 and 65,194,872.63 is: 89,969,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,405,841.69 : 162,020,352.64 = 65,194,872.63 : x
  2. Step 2: Convert to fraction form
    117,405,841.69/162,020,352.64 = 65,194,872.63/x
  3. Step 3: Cross multiply
    117,405,841.69x = 162,020,352.64 × 65,194,872.63
  4. Step 4: Simplify right side
    117,405,841.69x = 10,562,896,253,832,484
  5. Step 5: Solve for x
    x = 10,562,896,253,832,484/117,405,841.69
  6. Step 6: Final answer
    x = 89,969,085.88

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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.