Home / 56,959,476.27-78,604,454.64-30,853,994.08

Finding the Fourth Proportional to 56,959,476.27, 78,604,454.64 and 30,853,994.08

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Solution

The fourth proportional to 56,959,476.27, 78,604,454.64 and 30,853,994.08 is: 42,578,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,476.27 : 78,604,454.64 = 30,853,994.08 : x
  2. Step 2: Convert to fraction form
    56,959,476.27/78,604,454.64 = 30,853,994.08/x
  3. Step 3: Cross multiply
    56,959,476.27x = 78,604,454.64 × 30,853,994.08
  4. Step 4: Simplify right side
    56,959,476.27x = 2,425,261,378,124,188.50
  5. Step 5: Solve for x
    x = 2,425,261,378,124,188.50/56,959,476.27
  6. Step 6: Final answer
    x = 42,578,716.25

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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.