Home / 77,109,508.98-115,603,703.78-52,774,659.27

Finding the Fourth Proportional to 77,109,508.98, 115,603,703.78 and 52,774,659.27

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Solution

The fourth proportional to 77,109,508.98, 115,603,703.78 and 52,774,659.27 is: 79,120,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109,508.98 : 115,603,703.78 = 52,774,659.27 : x
  2. Step 2: Convert to fraction form
    77,109,508.98/115,603,703.78 = 52,774,659.27/x
  3. Step 3: Cross multiply
    77,109,508.98x = 115,603,703.78 × 52,774,659.27
  4. Step 4: Simplify right side
    77,109,508.98x = 6,100,946,077,075,638
  5. Step 5: Solve for x
    x = 6,100,946,077,075,638/77,109,508.98
  6. Step 6: Final answer
    x = 79,120,541.13

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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.