Home / 71,575,675.32-98,777,227.98-40,638,723

Finding the Fourth Proportional to 71,575,675.32, 98,777,227.98 and 40,638,723

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Solution

The fourth proportional to 71,575,675.32, 98,777,227.98 and 40,638,723 is: 56,083,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,675.32 : 98,777,227.98 = 40,638,723 : x
  2. Step 2: Convert to fraction form
    71,575,675.32/98,777,227.98 = 40,638,723/x
  3. Step 3: Cross multiply
    71,575,675.32x = 98,777,227.98 × 40,638,723
  4. Step 4: Simplify right side
    71,575,675.32x = 4,014,180,406,587,069.50
  5. Step 5: Solve for x
    x = 4,014,180,406,587,069.50/71,575,675.32
  6. Step 6: Final answer
    x = 56,083,025.25

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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.