Home / 165,329,153,569.72-247,792,257,304.98-85,696,801,167.16

Finding the Fourth Proportional to 165,329,153,569.72, 247,792,257,304.98 and 85,696,801,167.16

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Solution

The fourth proportional to 165,329,153,569.72, 247,792,257,304.98 and 85,696,801,167.16 is: 128,440,770,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,329,153,569.72 : 247,792,257,304.98 = 85,696,801,167.16 : x
  2. Step 2: Convert to fraction form
    165,329,153,569.72/247,792,257,304.98 = 85,696,801,167.16/x
  3. Step 3: Cross multiply
    165,329,153,569.72x = 247,792,257,304.98 × 85,696,801,167.16
  4. Step 4: Simplify right side
    165,329,153,569.72x = 21,235,003,805,026,624,733,184
  5. Step 5: Solve for x
    x = 21,235,003,805,026,624,733,184/165,329,153,569.72
  6. Step 6: Final answer
    x = 128,440,770,103.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.