Home / 77,813,904.70-107,313,683.82-64,562,101.46

Finding the Fourth Proportional to 77,813,904.70, 107,313,683.82 and 64,562,101.46

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Solution

The fourth proportional to 77,813,904.70, 107,313,683.82 and 64,562,101.46 is: 89,038,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813,904.70 : 107,313,683.82 = 64,562,101.46 : x
  2. Step 2: Convert to fraction form
    77,813,904.70/107,313,683.82 = 64,562,101.46/x
  3. Step 3: Cross multiply
    77,813,904.70x = 107,313,683.82 × 64,562,101.46
  4. Step 4: Simplify right side
    77,813,904.70x = 6,928,396,942,833,200
  5. Step 5: Solve for x
    x = 6,928,396,942,833,200/77,813,904.70
  6. Step 6: Final answer
    x = 89,038,032.08

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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.