Home / 83,281,455,020.49-114,928,407,928.28-47,638,770,032.48

Finding the Fourth Proportional to 83,281,455,020.49, 114,928,407,928.28 and 47,638,770,032.48

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Solution

The fourth proportional to 83,281,455,020.49, 114,928,407,928.28 and 47,638,770,032.48 is: 65,741,502,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281,455,020.49 : 114,928,407,928.28 = 47,638,770,032.48 : x
  2. Step 2: Convert to fraction form
    83,281,455,020.49/114,928,407,928.28 = 47,638,770,032.48/x
  3. Step 3: Cross multiply
    83,281,455,020.49x = 114,928,407,928.28 × 47,638,770,032.48
  4. Step 4: Simplify right side
    83,281,455,020.49x = 5,475,047,995,494,381,912,064
  5. Step 5: Solve for x
    x = 5,475,047,995,494,381,912,064/83,281,455,020.49
  6. Step 6: Final answer
    x = 65,741,502,644.82

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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.