Home / 84,728,981.79-116,916,639.03-47,550,734.82

Finding the Fourth Proportional to 84,728,981.79, 116,916,639.03 and 47,550,734.82

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Solution

The fourth proportional to 84,728,981.79, 116,916,639.03 and 47,550,734.82 is: 65,614,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728,981.79 : 116,916,639.03 = 47,550,734.82 : x
  2. Step 2: Convert to fraction form
    84,728,981.79/116,916,639.03 = 47,550,734.82/x
  3. Step 3: Cross multiply
    84,728,981.79x = 116,916,639.03 × 47,550,734.82
  4. Step 4: Simplify right side
    84,728,981.79x = 5,559,472,098,561,192
  5. Step 5: Solve for x
    x = 5,559,472,098,561,192/84,728,981.79
  6. Step 6: Final answer
    x = 65,614,763.46

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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.