Home / 129,999,612.30-195,075,007.65-53,377,629.90

Finding the Fourth Proportional to 129,999,612.30, 195,075,007.65 and 53,377,629.90

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Solution

The fourth proportional to 129,999,612.30, 195,075,007.65 and 53,377,629.90 is: 80,097,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,999,612.30 : 195,075,007.65 = 53,377,629.90 : x
  2. Step 2: Convert to fraction form
    129,999,612.30/195,075,007.65 = 53,377,629.90/x
  3. Step 3: Cross multiply
    129,999,612.30x = 195,075,007.65 × 53,377,629.90
  4. Step 4: Simplify right side
    129,999,612.30x = 10,412,641,561,081,368
  5. Step 5: Solve for x
    x = 10,412,641,561,081,368/129,999,612.30
  6. Step 6: Final answer
    x = 80,097,481.65

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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.