Home / 79,441,785.87-109,678,574.79-62,988,372.51

Finding the Fourth Proportional to 79,441,785.87, 109,678,574.79 and 62,988,372.51

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Solution

The fourth proportional to 79,441,785.87, 109,678,574.79 and 62,988,372.51 is: 86,962,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441,785.87 : 109,678,574.79 = 62,988,372.51 : x
  2. Step 2: Convert to fraction form
    79,441,785.87/109,678,574.79 = 62,988,372.51/x
  3. Step 3: Cross multiply
    79,441,785.87x = 109,678,574.79 × 62,988,372.51
  4. Step 4: Simplify right side
    79,441,785.87x = 6,908,474,925,238,415
  5. Step 5: Solve for x
    x = 6,908,474,925,238,415/79,441,785.87
  6. Step 6: Final answer
    x = 86,962,734.40

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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.