Home / 98,415,261.40-147,622,892.10-71,063,764.60

Finding the Fourth Proportional to 98,415,261.40, 147,622,892.10 and 71,063,764.60

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Solution

The fourth proportional to 98,415,261.40, 147,622,892.10 and 71,063,764.60 is: 106,595,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,261.40 : 147,622,892.10 = 71,063,764.60 : x
  2. Step 2: Convert to fraction form
    98,415,261.40/147,622,892.10 = 71,063,764.60/x
  3. Step 3: Cross multiply
    98,415,261.40x = 147,622,892.10 × 71,063,764.60
  4. Step 4: Simplify right side
    98,415,261.40x = 10,490,638,453,765,598
  5. Step 5: Solve for x
    x = 10,490,638,453,765,598/98,415,261.40
  6. Step 6: Final answer
    x = 106,595,646.90

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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.