Home / 123,237,349.92-170,072,856-68,233,204.80

Finding the Fourth Proportional to 123,237,349.92, 170,072,856 and 68,233,204.80

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Solution

The fourth proportional to 123,237,349.92, 170,072,856 and 68,233,204.80 is: 94,164,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,237,349.92 : 170,072,856 = 68,233,204.80 : x
  2. Step 2: Convert to fraction form
    123,237,349.92/170,072,856 = 68,233,204.80/x
  3. Step 3: Cross multiply
    123,237,349.92x = 170,072,856 × 68,233,204.80
  4. Step 4: Simplify right side
    123,237,349.92x = 11,604,616,014,368,908
  5. Step 5: Solve for x
    x = 11,604,616,014,368,908/123,237,349.92
  6. Step 6: Final answer
    x = 94,164,764.35

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1.5x scale

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.