Home / 86,574,052-119,475,947.28-47,942,884

Finding the Fourth Proportional to 86,574,052, 119,475,947.28 and 47,942,884

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Solution

The fourth proportional to 86,574,052, 119,475,947.28 and 47,942,884 is: 66,163,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574,052 : 119,475,947.28 = 47,942,884 : x
  2. Step 2: Convert to fraction form
    86,574,052/119,475,947.28 = 47,942,884/x
  3. Step 3: Cross multiply
    86,574,052x = 119,475,947.28 × 47,942,884
  4. Step 4: Simplify right side
    86,574,052x = 5,728,021,481,235,156
  5. Step 5: Solve for x
    x = 5,728,021,481,235,156/86,574,052
  6. Step 6: Final answer
    x = 66,163,259.65

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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.