Home / 277,792,503.76-416,648,195.10-81,003,036.16

Finding the Fourth Proportional to 277,792,503.76, 416,648,195.10 and 81,003,036.16

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Solution

The fourth proportional to 277,792,503.76, 416,648,195.10 and 81,003,036.16 is: 121,492,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,792,503.76 : 416,648,195.10 = 81,003,036.16 : x
  2. Step 2: Convert to fraction form
    277,792,503.76/416,648,195.10 = 81,003,036.16/x
  3. Step 3: Cross multiply
    277,792,503.76x = 416,648,195.10 × 81,003,036.16
  4. Step 4: Simplify right side
    277,792,503.76x = 33,749,768,813,262,488
  5. Step 5: Solve for x
    x = 33,749,768,813,262,488/277,792,503.76
  6. Step 6: Final answer
    x = 121,492,726.97

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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.