Home / 84,780,683.80-127,171,025.70-63,257,323.30

Finding the Fourth Proportional to 84,780,683.80, 127,171,025.70 and 63,257,323.30

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Solution

The fourth proportional to 84,780,683.80, 127,171,025.70 and 63,257,323.30 is: 94,885,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,780,683.80 : 127,171,025.70 = 63,257,323.30 : x
  2. Step 2: Convert to fraction form
    84,780,683.80/127,171,025.70 = 63,257,323.30/x
  3. Step 3: Cross multiply
    84,780,683.80x = 127,171,025.70 × 63,257,323.30
  4. Step 4: Simplify right side
    84,780,683.80x = 8,044,498,687,097,509
  5. Step 5: Solve for x
    x = 8,044,498,687,097,509/84,780,683.80
  6. Step 6: Final answer
    x = 94,885,984.95

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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.