Home / 307,849,056.66-424,873,965.60-188,750,586.78

Finding the Fourth Proportional to 307,849,056.66, 424,873,965.60 and 188,750,586.78

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Solution

The fourth proportional to 307,849,056.66, 424,873,965.60 and 188,750,586.78 is: 260,501,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,849,056.66 : 424,873,965.60 = 188,750,586.78 : x
  2. Step 2: Convert to fraction form
    307,849,056.66/424,873,965.60 = 188,750,586.78/x
  3. Step 3: Cross multiply
    307,849,056.66x = 424,873,965.60 × 188,750,586.78
  4. Step 4: Simplify right side
    307,849,056.66x = 80,195,210,314,545,536
  5. Step 5: Solve for x
    x = 80,195,210,314,545,536/307,849,056.66
  6. Step 6: Final answer
    x = 260,501,725.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.