Home / 78,176,022.26-107,884,896.19-42,893,818.02

Finding the Fourth Proportional to 78,176,022.26, 107,884,896.19 and 42,893,818.02

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Solution

The fourth proportional to 78,176,022.26, 107,884,896.19 and 42,893,818.02 is: 59,194,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176,022.26 : 107,884,896.19 = 42,893,818.02 : x
  2. Step 2: Convert to fraction form
    78,176,022.26/107,884,896.19 = 42,893,818.02/x
  3. Step 3: Cross multiply
    78,176,022.26x = 107,884,896.19 × 42,893,818.02
  4. Step 4: Simplify right side
    78,176,022.26x = 4,627,595,104,173,217
  5. Step 5: Solve for x
    x = 4,627,595,104,173,217/78,176,022.26
  6. Step 6: Final answer
    x = 59,194,558.26

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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.