Home / 140,293,634.86-193,597,406.64-77,566,106.32

Finding the Fourth Proportional to 140,293,634.86, 193,597,406.64 and 77,566,106.32

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Solution

The fourth proportional to 140,293,634.86, 193,597,406.64 and 77,566,106.32 is: 107,036,908.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,293,634.86 : 193,597,406.64 = 77,566,106.32 : x
  2. Step 2: Convert to fraction form
    140,293,634.86/193,597,406.64 = 77,566,106.32/x
  3. Step 3: Cross multiply
    140,293,634.86x = 193,597,406.64 × 77,566,106.32
  4. Step 4: Simplify right side
    140,293,634.86x = 15,016,597,026,714,512
  5. Step 5: Solve for x
    x = 15,016,597,026,714,512/140,293,634.86
  6. Step 6: Final answer
    x = 107,036,908.99

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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.