Home / 132,863,533.92-183,347,519.76-77,896,000.80

Finding the Fourth Proportional to 132,863,533.92, 183,347,519.76 and 77,896,000.80

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Solution

The fourth proportional to 132,863,533.92, 183,347,519.76 and 77,896,000.80 is: 107,494,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863,533.92 : 183,347,519.76 = 77,896,000.80 : x
  2. Step 2: Convert to fraction form
    132,863,533.92/183,347,519.76 = 77,896,000.80/x
  3. Step 3: Cross multiply
    132,863,533.92x = 183,347,519.76 × 77,896,000.80
  4. Step 4: Simplify right side
    132,863,533.92x = 14,282,038,545,902,974
  5. Step 5: Solve for x
    x = 14,282,038,545,902,974/132,863,533.92
  6. Step 6: Final answer
    x = 107,494,043.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.