Home / 99,432,200.80-148,896,358.80-79,276,808.80

Finding the Fourth Proportional to 99,432,200.80, 148,896,358.80 and 79,276,808.80

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Solution

The fourth proportional to 99,432,200.80, 148,896,358.80 and 79,276,808.80 is: 118,714,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432,200.80 : 148,896,358.80 = 79,276,808.80 : x
  2. Step 2: Convert to fraction form
    99,432,200.80/148,896,358.80 = 79,276,808.80/x
  3. Step 3: Cross multiply
    99,432,200.80x = 148,896,358.80 × 79,276,808.80
  4. Step 4: Simplify right side
    99,432,200.80x = 11,804,028,167,603,798
  5. Step 5: Solve for x
    x = 11,804,028,167,603,798/99,432,200.80
  6. Step 6: Final answer
    x = 118,714,340.75

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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.