Home / 147,078,666.60-220,617,999.90-50,143,828.20

Finding the Fourth Proportional to 147,078,666.60, 220,617,999.90 and 50,143,828.20

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Solution

The fourth proportional to 147,078,666.60, 220,617,999.90 and 50,143,828.20 is: 75,215,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,078,666.60 : 220,617,999.90 = 50,143,828.20 : x
  2. Step 2: Convert to fraction form
    147,078,666.60/220,617,999.90 = 50,143,828.20/x
  3. Step 3: Cross multiply
    147,078,666.60x = 220,617,999.90 × 50,143,828.20
  4. Step 4: Simplify right side
    147,078,666.60x = 11,062,631,084,813,218
  5. Step 5: Solve for x
    x = 11,062,631,084,813,218/147,078,666.60
  6. Step 6: Final answer
    x = 75,215,742.30

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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.