Home / 216,769,047.17-299,141,579.03-117,649,797.66

Finding the Fourth Proportional to 216,769,047.17, 299,141,579.03 and 117,649,797.66

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Solution

The fourth proportional to 216,769,047.17, 299,141,579.03 and 117,649,797.66 is: 162,356,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,769,047.17 : 299,141,579.03 = 117,649,797.66 : x
  2. Step 2: Convert to fraction form
    216,769,047.17/299,141,579.03 = 117,649,797.66/x
  3. Step 3: Cross multiply
    216,769,047.17x = 299,141,579.03 × 117,649,797.66
  4. Step 4: Simplify right side
    216,769,047.17x = 35,193,946,243,984,148
  5. Step 5: Solve for x
    x = 35,193,946,243,984,148/216,769,047.17
  6. Step 6: Final answer
    x = 162,356,880.30

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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.