Home / 76,831,689.24-115,247,730.69-31,393,483.74

Finding the Fourth Proportional to 76,831,689.24, 115,247,730.69 and 31,393,483.74

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Solution

The fourth proportional to 76,831,689.24, 115,247,730.69 and 31,393,483.74 is: 47,090,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,831,689.24 : 115,247,730.69 = 31,393,483.74 : x
  2. Step 2: Convert to fraction form
    76,831,689.24/115,247,730.69 = 31,393,483.74/x
  3. Step 3: Cross multiply
    76,831,689.24x = 115,247,730.69 × 31,393,483.74
  4. Step 4: Simplify right side
    76,831,689.24x = 3,618,027,759,488,413.50
  5. Step 5: Solve for x
    x = 3,618,027,759,488,413.50/76,831,689.24
  6. Step 6: Final answer
    x = 47,090,306.03

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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.