Home / 71,575,873.44-98,777,501.28-40,638,921.36

Finding the Fourth Proportional to 71,575,873.44, 98,777,501.28 and 40,638,921.36

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Solution

The fourth proportional to 71,575,873.44, 98,777,501.28 and 40,638,921.36 is: 56,083,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575,873.44 : 98,777,501.28 = 40,638,921.36 : x
  2. Step 2: Convert to fraction form
    71,575,873.44/98,777,501.28 = 40,638,921.36/x
  3. Step 3: Cross multiply
    71,575,873.44x = 98,777,501.28 × 40,638,921.36
  4. Step 4: Simplify right side
    71,575,873.44x = 4,014,211,106,655,219.50
  5. Step 5: Solve for x
    x = 4,014,211,106,655,219.50/71,575,873.44
  6. Step 6: Final answer
    x = 56,083,298.93

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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.