Home / 154,464,152.40-231,696,228.60-81,652,798.80

Finding the Fourth Proportional to 154,464,152.40, 231,696,228.60 and 81,652,798.80

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Solution

The fourth proportional to 154,464,152.40, 231,696,228.60 and 81,652,798.80 is: 122,479,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464,152.40 : 231,696,228.60 = 81,652,798.80 : x
  2. Step 2: Convert to fraction form
    154,464,152.40/231,696,228.60 = 81,652,798.80/x
  3. Step 3: Cross multiply
    154,464,152.40x = 231,696,228.60 × 81,652,798.80
  4. Step 4: Simplify right side
    154,464,152.40x = 18,918,645,536,594,604
  5. Step 5: Solve for x
    x = 18,918,645,536,594,604/154,464,152.40
  6. Step 6: Final answer
    x = 122,479,198.20

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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.