Home / 77,226,707.88-106,574,696.82-42,420,127.32

Finding the Fourth Proportional to 77,226,707.88, 106,574,696.82 and 42,420,127.32

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Solution

The fourth proportional to 77,226,707.88, 106,574,696.82 and 42,420,127.32 is: 58,540,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,226,707.88 : 106,574,696.82 = 42,420,127.32 : x
  2. Step 2: Convert to fraction form
    77,226,707.88/106,574,696.82 = 42,420,127.32/x
  3. Step 3: Cross multiply
    77,226,707.88x = 106,574,696.82 × 42,420,127.32
  4. Step 4: Simplify right side
    77,226,707.88x = 4,520,912,208,194,799
  5. Step 5: Solve for x
    x = 4,520,912,208,194,799/77,226,707.88
  6. Step 6: Final answer
    x = 58,540,786.37

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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.