Home / 78,894,107.40-118,341,161.10-44,456,730.60

Finding the Fourth Proportional to 78,894,107.40, 118,341,161.10 and 44,456,730.60

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Solution

The fourth proportional to 78,894,107.40, 118,341,161.10 and 44,456,730.60 is: 66,685,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,107.40 : 118,341,161.10 = 44,456,730.60 : x
  2. Step 2: Convert to fraction form
    78,894,107.40/118,341,161.10 = 44,456,730.60/x
  3. Step 3: Cross multiply
    78,894,107.40x = 118,341,161.10 × 44,456,730.60
  4. Step 4: Simplify right side
    78,894,107.40x = 5,261,061,117,913,900
  5. Step 5: Solve for x
    x = 5,261,061,117,913,900/78,894,107.40
  6. Step 6: Final answer
    x = 66,685,095.90

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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.