Home / 69,721,881.40-104,582,822.10-57,605,026.60

Finding the Fourth Proportional to 69,721,881.40, 104,582,822.10 and 57,605,026.60

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Solution

The fourth proportional to 69,721,881.40, 104,582,822.10 and 57,605,026.60 is: 86,407,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721,881.40 : 104,582,822.10 = 57,605,026.60 : x
  2. Step 2: Convert to fraction form
    69,721,881.40/104,582,822.10 = 57,605,026.60/x
  3. Step 3: Cross multiply
    69,721,881.40x = 104,582,822.10 × 57,605,026.60
  4. Step 4: Simplify right side
    69,721,881.40x = 6,024,496,248,973,568
  5. Step 5: Solve for x
    x = 6,024,496,248,973,568/69,721,881.40
  6. Step 6: Final answer
    x = 86,407,539.90

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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.