Home / 101,066,620.98-151,626,789-31,980,651.78

Finding the Fourth Proportional to 101,066,620.98, 151,626,789 and 31,980,651.78

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Solution

The fourth proportional to 101,066,620.98, 151,626,789 and 31,980,651.78 is: 47,979,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,620.98 : 151,626,789 = 31,980,651.78 : x
  2. Step 2: Convert to fraction form
    101,066,620.98/151,626,789 = 31,980,651.78/x
  3. Step 3: Cross multiply
    101,066,620.98x = 151,626,789 × 31,980,651.78
  4. Step 4: Simplify right side
    101,066,620.98x = 4,849,123,539,528,535
  5. Step 5: Solve for x
    x = 4,849,123,539,528,535/101,066,620.98
  6. Step 6: Final answer
    x = 47,979,476.24

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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.