Home / 216,769,047.92-299,141,580.06-117,649,798.41

Finding the Fourth Proportional to 216,769,047.92, 299,141,580.06 and 117,649,798.41

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Solution

The fourth proportional to 216,769,047.92, 299,141,580.06 and 117,649,798.41 is: 162,356,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,769,047.92 : 299,141,580.06 = 117,649,798.41 : x
  2. Step 2: Convert to fraction form
    216,769,047.92/299,141,580.06 = 117,649,798.41/x
  3. Step 3: Cross multiply
    216,769,047.92x = 299,141,580.06 × 117,649,798.41
  4. Step 4: Simplify right side
    216,769,047.92x = 35,193,946,590,107,876
  5. Step 5: Solve for x
    x = 35,193,946,590,107,876/216,769,047.92
  6. Step 6: Final answer
    x = 162,356,881.34

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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.