Home / 342,845,908.72-473,124,753.60-186,214,136.70

Finding the Fourth Proportional to 342,845,908.72, 473,124,753.60 and 186,214,136.70

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Solution

The fourth proportional to 342,845,908.72, 473,124,753.60 and 186,214,136.70 is: 256,974,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,845,908.72 : 473,124,753.60 = 186,214,136.70 : x
  2. Step 2: Convert to fraction form
    342,845,908.72/473,124,753.60 = 186,214,136.70/x
  3. Step 3: Cross multiply
    342,845,908.72x = 473,124,753.60 × 186,214,136.70
  4. Step 4: Simplify right side
    342,845,908.72x = 88,102,517,544,100,144
  5. Step 5: Solve for x
    x = 88,102,517,544,100,144/342,845,908.72
  6. Step 6: Final answer
    x = 256,974,096.25

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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.