Home / 349,125,930-523,691,520.21-154,985,152.68

Finding the Fourth Proportional to 349,125,930, 523,691,520.21 and 154,985,152.68

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Solution

The fourth proportional to 349,125,930, 523,691,520.21 and 154,985,152.68 is: 232,478,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,125,930 : 523,691,520.21 = 154,985,152.68 : x
  2. Step 2: Convert to fraction form
    349,125,930/523,691,520.21 = 154,985,152.68/x
  3. Step 3: Cross multiply
    349,125,930x = 523,691,520.21 × 154,985,152.68
  4. Step 4: Simplify right side
    349,125,930x = 81,164,410,216,968,160
  5. Step 5: Solve for x
    x = 81,164,410,216,968,160/349,125,930
  6. Step 6: Final answer
    x = 232,478,894.41

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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.