Home / 78,894,408.30-118,341,612.45-51,684,629.10

Finding the Fourth Proportional to 78,894,408.30, 118,341,612.45 and 51,684,629.10

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Solution

The fourth proportional to 78,894,408.30, 118,341,612.45 and 51,684,629.10 is: 77,526,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,408.30 : 118,341,612.45 = 51,684,629.10 : x
  2. Step 2: Convert to fraction form
    78,894,408.30/118,341,612.45 = 51,684,629.10/x
  3. Step 3: Cross multiply
    78,894,408.30x = 118,341,612.45 × 51,684,629.10
  4. Step 4: Simplify right side
    78,894,408.30x = 6,116,442,346,574,193
  5. Step 5: Solve for x
    x = 6,116,442,346,574,193/78,894,408.30
  6. Step 6: Final answer
    x = 77,526,943.65

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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.