Home / 71,575,759.08-98,777,343.96-40,638,807

Finding the Fourth Proportional to 71,575,759.08, 98,777,343.96 and 40,638,807

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Solution

The fourth proportional to 71,575,759.08, 98,777,343.96 and 40,638,807 is: 56,083,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,759.08 : 98,777,343.96 = 40,638,807 : x
  2. Step 2: Convert to fraction form
    71,575,759.08/98,777,343.96 = 40,638,807/x
  3. Step 3: Cross multiply
    71,575,759.08x = 98,777,343.96 × 40,638,807
  4. Step 4: Simplify right side
    71,575,759.08x = 4,014,193,417,163,055.50
  5. Step 5: Solve for x
    x = 4,014,193,417,163,055.50/71,575,759.08
  6. Step 6: Final answer
    x = 56,083,141.40

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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.