Home / 112,685,522.54-155,503,215.86-63,125,567.78

Finding the Fourth Proportional to 112,685,522.54, 155,503,215.86 and 63,125,567.78

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Solution

The fourth proportional to 112,685,522.54, 155,503,215.86 and 63,125,567.78 is: 87,111,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,685,522.54 : 155,503,215.86 = 63,125,567.78 : x
  2. Step 2: Convert to fraction form
    112,685,522.54/155,503,215.86 = 63,125,567.78/x
  3. Step 3: Cross multiply
    112,685,522.54x = 155,503,215.86 × 63,125,567.78
  4. Step 4: Simplify right side
    112,685,522.54x = 9,816,228,792,778,402
  5. Step 5: Solve for x
    x = 9,816,228,792,778,402/112,685,522.54
  6. Step 6: Final answer
    x = 87,111,712.06

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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.