Home / 77,159,526.40-106,568,518.65-50,815,643.07

Finding the Fourth Proportional to 77,159,526.40, 106,568,518.65 and 50,815,643.07

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Solution

The fourth proportional to 77,159,526.40, 106,568,518.65 and 50,815,643.07 is: 70,183,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,159,526.40 : 106,568,518.65 = 50,815,643.07 : x
  2. Step 2: Convert to fraction form
    77,159,526.40/106,568,518.65 = 50,815,643.07/x
  3. Step 3: Cross multiply
    77,159,526.40x = 106,568,518.65 × 50,815,643.07
  4. Step 4: Simplify right side
    77,159,526.40x = 5,415,347,805,969,456
  5. Step 5: Solve for x
    x = 5,415,347,805,969,456/77,159,526.40
  6. Step 6: Final answer
    x = 70,183,787.52

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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.