Home / 104,910,992,570.85-144,777,168,626.79-56,739,035,802.21

Finding the Fourth Proportional to 104,910,992,570.85, 144,777,168,626.79 and 56,739,035,802.21

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Solution

The fourth proportional to 104,910,992,570.85, 144,777,168,626.79 and 56,739,035,802.21 is: 78,299,868,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,910,992,570.85 : 144,777,168,626.79 = 56,739,035,802.21 : x
  2. Step 2: Convert to fraction form
    104,910,992,570.85/144,777,168,626.79 = 56,739,035,802.21/x
  3. Step 3: Cross multiply
    104,910,992,570.85x = 144,777,168,626.79 × 56,739,035,802.21
  4. Step 4: Simplify right side
    104,910,992,570.85x = 8,214,516,954,058,032,414,720
  5. Step 5: Solve for x
    x = 8,214,516,954,058,032,414,720/104,910,992,570.85
  6. Step 6: Final answer
    x = 78,299,868,800.79

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1.5x scale

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.