Home / 78,893,161.25-118,366,313.72-49,713,113.75

Finding the Fourth Proportional to 78,893,161.25, 118,366,313.72 and 49,713,113.75

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Solution

The fourth proportional to 78,893,161.25, 118,366,313.72 and 49,713,113.75 is: 74,586,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893,161.25 : 118,366,313.72 = 49,713,113.75 : x
  2. Step 2: Convert to fraction form
    78,893,161.25/118,366,313.72 = 49,713,113.75/x
  3. Step 3: Cross multiply
    78,893,161.25x = 118,366,313.72 × 49,713,113.75
  4. Step 4: Simplify right side
    78,893,161.25x = 5,884,358,017,290,148
  5. Step 5: Solve for x
    x = 5,884,358,017,290,148/78,893,161.25
  6. Step 6: Final answer
    x = 74,586,414.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.