Home / 79,442,754.68-109,640,186.52-46,411,260.76

Finding the Fourth Proportional to 79,442,754.68, 109,640,186.52 and 46,411,260.76

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Solution

The fourth proportional to 79,442,754.68, 109,640,186.52 and 46,411,260.76 is: 64,052,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,754.68 : 109,640,186.52 = 46,411,260.76 : x
  2. Step 2: Convert to fraction form
    79,442,754.68/109,640,186.52 = 46,411,260.76/x
  3. Step 3: Cross multiply
    79,442,754.68x = 109,640,186.52 × 46,411,260.76
  4. Step 4: Simplify right side
    79,442,754.68x = 5,088,539,286,354,757
  5. Step 5: Solve for x
    x = 5,088,539,286,354,757/79,442,754.68
  6. Step 6: Final answer
    x = 64,052,905.85

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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.