Home / 157,469,052.60-236,203,578.90-42,465,220.20

Finding the Fourth Proportional to 157,469,052.60, 236,203,578.90 and 42,465,220.20

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Solution

The fourth proportional to 157,469,052.60, 236,203,578.90 and 42,465,220.20 is: 63,697,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,469,052.60 : 236,203,578.90 = 42,465,220.20 : x
  2. Step 2: Convert to fraction form
    157,469,052.60/236,203,578.90 = 42,465,220.20/x
  3. Step 3: Cross multiply
    157,469,052.60x = 236,203,578.90 × 42,465,220.20
  4. Step 4: Simplify right side
    157,469,052.60x = 10,030,436,990,016,574
  5. Step 5: Solve for x
    x = 10,030,436,990,016,574/157,469,052.60
  6. Step 6: Final answer
    x = 63,697,830.30

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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.