Home / 90,332,484.50-135,205,571.54-48,775,590.56

Finding the Fourth Proportional to 90,332,484.50, 135,205,571.54 and 48,775,590.56

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Solution

The fourth proportional to 90,332,484.50, 135,205,571.54 and 48,775,590.56 is: 73,005,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332,484.50 : 135,205,571.54 = 48,775,590.56 : x
  2. Step 2: Convert to fraction form
    90,332,484.50/135,205,571.54 = 48,775,590.56/x
  3. Step 3: Cross multiply
    90,332,484.50x = 135,205,571.54 × 48,775,590.56
  4. Step 4: Simplify right side
    90,332,484.50x = 6,594,731,598,865,829
  5. Step 5: Solve for x
    x = 6,594,731,598,865,829/90,332,484.50
  6. Step 6: Final answer
    x = 73,005,094.85

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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.