Home / 56,959,476.67-78,604,455.21-30,853,994.50

Finding the Fourth Proportional to 56,959,476.67, 78,604,455.21 and 30,853,994.50

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Solution

The fourth proportional to 56,959,476.67, 78,604,455.21 and 30,853,994.50 is: 42,578,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959,476.67 : 78,604,455.21 = 30,853,994.50 : x
  2. Step 2: Convert to fraction form
    56,959,476.67/78,604,455.21 = 30,853,994.50/x
  3. Step 3: Cross multiply
    56,959,476.67x = 78,604,455.21 × 30,853,994.50
  4. Step 4: Simplify right side
    56,959,476.67x = 2,425,261,428,528,325
  5. Step 5: Solve for x
    x = 2,425,261,428,528,325/56,959,476.67
  6. Step 6: Final answer
    x = 42,578,716.84

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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.