Home / 101,302,800.96-139,782,405.65-57,233,720.33

Finding the Fourth Proportional to 101,302,800.96, 139,782,405.65 and 57,233,720.33

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Solution

The fourth proportional to 101,302,800.96, 139,782,405.65 and 57,233,720.33 is: 78,973,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,302,800.96 : 139,782,405.65 = 57,233,720.33 : x
  2. Step 2: Convert to fraction form
    101,302,800.96/139,782,405.65 = 57,233,720.33/x
  3. Step 3: Cross multiply
    101,302,800.96x = 139,782,405.65 × 57,233,720.33
  4. Step 4: Simplify right side
    101,302,800.96x = 8,000,267,112,026,712
  5. Step 5: Solve for x
    x = 8,000,267,112,026,712/101,302,800.96
  6. Step 6: Final answer
    x = 78,973,799.70

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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.