Home / 81,858,065.32-112,963,437.30-45,187,849

Finding the Fourth Proportional to 81,858,065.32, 112,963,437.30 and 45,187,849

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Solution

The fourth proportional to 81,858,065.32, 112,963,437.30 and 45,187,849 is: 62,358,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,858,065.32 : 112,963,437.30 = 45,187,849 : x
  2. Step 2: Convert to fraction form
    81,858,065.32/112,963,437.30 = 45,187,849/x
  3. Step 3: Cross multiply
    81,858,065.32x = 112,963,437.30 × 45,187,849
  4. Step 4: Simplify right side
    81,858,065.32x = 5,104,574,747,233,368
  5. Step 5: Solve for x
    x = 5,104,574,747,233,368/81,858,065.32
  6. Step 6: Final answer
    x = 62,358,849.15

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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.