Home / 79,043,336-109,079,803.68-42,867,464

Finding the Fourth Proportional to 79,043,336, 109,079,803.68 and 42,867,464

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Solution

The fourth proportional to 79,043,336, 109,079,803.68 and 42,867,464 is: 59,157,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043,336 : 109,079,803.68 = 42,867,464 : x
  2. Step 2: Convert to fraction form
    79,043,336/109,079,803.68 = 42,867,464/x
  3. Step 3: Cross multiply
    79,043,336x = 109,079,803.68 × 42,867,464
  4. Step 4: Simplify right side
    79,043,336x = 4,675,974,557,379,468
  5. Step 5: Solve for x
    x = 4,675,974,557,379,468/79,043,336
  6. Step 6: Final answer
    x = 59,157,100.32

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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.