Home / 213,845,528.86-320,903,233.92-91,023,648.95

Finding the Fourth Proportional to 213,845,528.86, 320,903,233.92 and 91,023,648.95

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Solution

The fourth proportional to 213,845,528.86, 320,903,233.92 and 91,023,648.95 is: 136,592,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,845,528.86 : 320,903,233.92 = 91,023,648.95 : x
  2. Step 2: Convert to fraction form
    213,845,528.86/320,903,233.92 = 91,023,648.95/x
  3. Step 3: Cross multiply
    213,845,528.86x = 320,903,233.92 × 91,023,648.95
  4. Step 4: Simplify right side
    213,845,528.86x = 29,209,783,312,056,072
  5. Step 5: Solve for x
    x = 29,209,783,312,056,072/213,845,528.86
  6. Step 6: Final answer
    x = 136,592,911.10

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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.