Home / 147,216,606.80-220,824,910.20-89,820,978.80

Finding the Fourth Proportional to 147,216,606.80, 220,824,910.20 and 89,820,978.80

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Solution

The fourth proportional to 147,216,606.80, 220,824,910.20 and 89,820,978.80 is: 134,731,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,606.80 : 220,824,910.20 = 89,820,978.80 : x
  2. Step 2: Convert to fraction form
    147,216,606.80/220,824,910.20 = 89,820,978.80/x
  3. Step 3: Cross multiply
    147,216,606.80x = 220,824,910.20 × 89,820,978.80
  4. Step 4: Simplify right side
    147,216,606.80x = 19,834,709,577,586,104
  5. Step 5: Solve for x
    x = 19,834,709,577,586,104/147,216,606.80
  6. Step 6: Final answer
    x = 134,731,468.20

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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.