Home / 77,763,477.60-107,311,519.44-42,955,418.88

Finding the Fourth Proportional to 77,763,477.60, 107,311,519.44 and 42,955,418.88

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Solution

The fourth proportional to 77,763,477.60, 107,311,519.44 and 42,955,418.88 is: 59,277,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,477.60 : 107,311,519.44 = 42,955,418.88 : x
  2. Step 2: Convert to fraction form
    77,763,477.60/107,311,519.44 = 42,955,418.88/x
  3. Step 3: Cross multiply
    77,763,477.60x = 107,311,519.44 × 42,955,418.88
  4. Step 4: Simplify right side
    77,763,477.60x = 4,609,611,268,194,463
  5. Step 5: Solve for x
    x = 4,609,611,268,194,463/77,763,477.60
  6. Step 6: Final answer
    x = 59,277,329.29

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1.5x scale

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.