Home / 52,128,001.20-78,192,001.80-48,096,922.80

Finding the Fourth Proportional to 52,128,001.20, 78,192,001.80 and 48,096,922.80

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Solution

The fourth proportional to 52,128,001.20, 78,192,001.80 and 48,096,922.80 is: 72,145,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128,001.20 : 78,192,001.80 = 48,096,922.80 : x
  2. Step 2: Convert to fraction form
    52,128,001.20/78,192,001.80 = 48,096,922.80/x
  3. Step 3: Cross multiply
    52,128,001.20x = 78,192,001.80 × 48,096,922.80
  4. Step 4: Simplify right side
    52,128,001.20x = 3,760,794,674,152,060.50
  5. Step 5: Solve for x
    x = 3,760,794,674,152,060.50/52,128,001.20
  6. Step 6: Final answer
    x = 72,145,384.20

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1.5x scale

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.