Home / 287,424,151.10-431,136,226.65-82,958,896.70

Finding the Fourth Proportional to 287,424,151.10, 431,136,226.65 and 82,958,896.70

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Solution

The fourth proportional to 287,424,151.10, 431,136,226.65 and 82,958,896.70 is: 124,438,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,424,151.10 : 431,136,226.65 = 82,958,896.70 : x
  2. Step 2: Convert to fraction form
    287,424,151.10/431,136,226.65 = 82,958,896.70/x
  3. Step 3: Cross multiply
    287,424,151.10x = 431,136,226.65 × 82,958,896.70
  4. Step 4: Simplify right side
    287,424,151.10x = 35,766,585,690,285,136
  5. Step 5: Solve for x
    x = 35,766,585,690,285,136/287,424,151.10
  6. Step 6: Final answer
    x = 124,438,345.05

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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.