Home / 147,496,977.60-221,056,509.60-131,246,692.80

Finding the Fourth Proportional to 147,496,977.60, 221,056,509.60 and 131,246,692.80

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Solution

The fourth proportional to 147,496,977.60, 221,056,509.60 and 131,246,692.80 is: 196,701,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496,977.60 : 221,056,509.60 = 131,246,692.80 : x
  2. Step 2: Convert to fraction form
    147,496,977.60/221,056,509.60 = 131,246,692.80/x
  3. Step 3: Cross multiply
    147,496,977.60x = 221,056,509.60 × 131,246,692.80
  4. Step 4: Simplify right side
    147,496,977.60x = 29,012,935,806,911,448
  5. Step 5: Solve for x
    x = 29,012,935,806,911,448/147,496,977.60
  6. Step 6: Final answer
    x = 196,701,900.47

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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.