Home / 216,963,532.48-299,411,872.02-117,846,215.38

Finding the Fourth Proportional to 216,963,532.48, 299,411,872.02 and 117,846,215.38

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Solution

The fourth proportional to 216,963,532.48, 299,411,872.02 and 117,846,215.38 is: 162,628,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,963,532.48 : 299,411,872.02 = 117,846,215.38 : x
  2. Step 2: Convert to fraction form
    216,963,532.48/299,411,872.02 = 117,846,215.38/x
  3. Step 3: Cross multiply
    216,963,532.48x = 299,411,872.02 × 117,846,215.38
  4. Step 4: Simplify right side
    216,963,532.48x = 35,284,555,957,397,912
  5. Step 5: Solve for x
    x = 35,284,555,957,397,912/216,963,532.48
  6. Step 6: Final answer
    x = 162,628,970.66

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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.