Home / 84,323,780-116,353,947.88-47,640,966.56

Finding the Fourth Proportional to 84,323,780, 116,353,947.88 and 47,640,966.56

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Solution

The fourth proportional to 84,323,780, 116,353,947.88 and 47,640,966.56 is: 65,737,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,323,780 : 116,353,947.88 = 47,640,966.56 : x
  2. Step 2: Convert to fraction form
    84,323,780/116,353,947.88 = 47,640,966.56/x
  3. Step 3: Cross multiply
    84,323,780x = 116,353,947.88 × 47,640,966.56
  4. Step 4: Simplify right side
    84,323,780x = 5,543,214,540,075,063
  5. Step 5: Solve for x
    x = 5,543,214,540,075,063/84,323,780
  6. Step 6: Final answer
    x = 65,737,263.44

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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.