Home / 85,662,943.76-118,229,961.48-48,495,346.40

Finding the Fourth Proportional to 85,662,943.76, 118,229,961.48 and 48,495,346.40

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Solution

The fourth proportional to 85,662,943.76, 118,229,961.48 and 48,495,346.40 is: 66,932,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,662,943.76 : 118,229,961.48 = 48,495,346.40 : x
  2. Step 2: Convert to fraction form
    85,662,943.76/118,229,961.48 = 48,495,346.40/x
  3. Step 3: Cross multiply
    85,662,943.76x = 118,229,961.48 × 48,495,346.40
  4. Step 4: Simplify right side
    85,662,943.76x = 5,733,602,936,831,257
  5. Step 5: Solve for x
    x = 5,733,602,936,831,257/85,662,943.76
  6. Step 6: Final answer
    x = 66,932,125.90

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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.