Home / 83,838,893.36-115,696,487.48-47,169,376.88

Finding the Fourth Proportional to 83,838,893.36, 115,696,487.48 and 47,169,376.88

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Solution

The fourth proportional to 83,838,893.36, 115,696,487.48 and 47,169,376.88 is: 65,093,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838,893.36 : 115,696,487.48 = 47,169,376.88 : x
  2. Step 2: Convert to fraction form
    83,838,893.36/115,696,487.48 = 47,169,376.88/x
  3. Step 3: Cross multiply
    83,838,893.36x = 115,696,487.48 × 47,169,376.88
  4. Step 4: Simplify right side
    83,838,893.36x = 5,457,331,221,636,322
  5. Step 5: Solve for x
    x = 5,457,331,221,636,322/83,838,893.36
  6. Step 6: Final answer
    x = 65,093,073.19

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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.