Home / 90,940,783.41-136,409,205.57-25,360,171.32

Finding the Fourth Proportional to 90,940,783.41, 136,409,205.57 and 25,360,171.32

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Solution

The fourth proportional to 90,940,783.41, 136,409,205.57 and 25,360,171.32 is: 38,039,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940,783.41 : 136,409,205.57 = 25,360,171.32 : x
  2. Step 2: Convert to fraction form
    90,940,783.41/136,409,205.57 = 25,360,171.32/x
  3. Step 3: Cross multiply
    90,940,783.41x = 136,409,205.57 × 25,360,171.32
  4. Step 4: Simplify right side
    90,940,783.41x = 3,459,360,822,880,298
  5. Step 5: Solve for x
    x = 3,459,360,822,880,298/90,940,783.41
  6. Step 6: Final answer
    x = 38,039,707.74

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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.