Home / 78,941,465.98-108,933,692.72-45,899,370.92

Finding the Fourth Proportional to 78,941,465.98, 108,933,692.72 and 45,899,370.92

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Solution

The fourth proportional to 78,941,465.98, 108,933,692.72 and 45,899,370.92 is: 63,337,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941,465.98 : 108,933,692.72 = 45,899,370.92 : x
  2. Step 2: Convert to fraction form
    78,941,465.98/108,933,692.72 = 45,899,370.92/x
  3. Step 3: Cross multiply
    78,941,465.98x = 108,933,692.72 × 45,899,370.92
  4. Step 4: Simplify right side
    78,941,465.98x = 4,999,987,967,883,421
  5. Step 5: Solve for x
    x = 4,999,987,967,883,421/78,941,465.98
  6. Step 6: Final answer
    x = 63,337,916.34

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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.