Home / 146,572,272.60-220,075,359.30-82,005,034.20

Finding the Fourth Proportional to 146,572,272.60, 220,075,359.30 and 82,005,034.20

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Solution

The fourth proportional to 146,572,272.60, 220,075,359.30 and 82,005,034.20 is: 123,128,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,572,272.60 : 220,075,359.30 = 82,005,034.20 : x
  2. Step 2: Convert to fraction form
    146,572,272.60/220,075,359.30 = 82,005,034.20/x
  3. Step 3: Cross multiply
    146,572,272.60x = 220,075,359.30 × 82,005,034.20
  4. Step 4: Simplify right side
    146,572,272.60x = 18,047,287,365,973,788
  5. Step 5: Solve for x
    x = 18,047,287,365,973,788/146,572,272.60
  6. Step 6: Final answer
    x = 123,128,931.86

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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.