Home / 115,685,434.79-159,646,203.17-62,762,139.70

Finding the Fourth Proportional to 115,685,434.79, 159,646,203.17 and 62,762,139.70

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Solution

The fourth proportional to 115,685,434.79, 159,646,203.17 and 62,762,139.70 is: 86,611,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685,434.79 : 159,646,203.17 = 62,762,139.70 : x
  2. Step 2: Convert to fraction form
    115,685,434.79/159,646,203.17 = 62,762,139.70/x
  3. Step 3: Cross multiply
    115,685,434.79x = 159,646,203.17 × 62,762,139.70
  4. Step 4: Simplify right side
    115,685,434.79x = 10,019,737,305,628,916
  5. Step 5: Solve for x
    x = 10,019,737,305,628,916/115,685,434.79
  6. Step 6: Final answer
    x = 86,611,917.26

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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.