Home / 124,416,352.80-186,624,529.20-38,154,074.40

Finding the Fourth Proportional to 124,416,352.80, 186,624,529.20 and 38,154,074.40

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Solution

The fourth proportional to 124,416,352.80, 186,624,529.20 and 38,154,074.40 is: 57,231,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,352.80 : 186,624,529.20 = 38,154,074.40 : x
  2. Step 2: Convert to fraction form
    124,416,352.80/186,624,529.20 = 38,154,074.40/x
  3. Step 3: Cross multiply
    124,416,352.80x = 186,624,529.20 × 38,154,074.40
  4. Step 4: Simplify right side
    124,416,352.80x = 7,120,486,171,961,772
  5. Step 5: Solve for x
    x = 7,120,486,171,961,772/124,416,352.80
  6. Step 6: Final answer
    x = 57,231,111.60

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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.