Home / 77,265,087.30-115,897,630.95-23,405,400.90

Finding the Fourth Proportional to 77,265,087.30, 115,897,630.95 and 23,405,400.90

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Solution

The fourth proportional to 77,265,087.30, 115,897,630.95 and 23,405,400.90 is: 35,108,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265,087.30 : 115,897,630.95 = 23,405,400.90 : x
  2. Step 2: Convert to fraction form
    77,265,087.30/115,897,630.95 = 23,405,400.90/x
  3. Step 3: Cross multiply
    77,265,087.30x = 115,897,630.95 × 23,405,400.90
  4. Step 4: Simplify right side
    77,265,087.30x = 2,712,630,515,744,998
  5. Step 5: Solve for x
    x = 2,712,630,515,744,998/77,265,087.30
  6. Step 6: Final answer
    x = 35,108,101.35

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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.