Home / 198,517,192.80-297,592,272.72-106,464,916.32

Finding the Fourth Proportional to 198,517,192.80, 297,592,272.72 and 106,464,916.32

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Solution

The fourth proportional to 198,517,192.80, 297,592,272.72 and 106,464,916.32 is: 159,598,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,517,192.80 : 297,592,272.72 = 106,464,916.32 : x
  2. Step 2: Convert to fraction form
    198,517,192.80/297,592,272.72 = 106,464,916.32/x
  3. Step 3: Cross multiply
    198,517,192.80x = 297,592,272.72 × 106,464,916.32
  4. Step 4: Simplify right side
    198,517,192.80x = 31,683,136,412,613,420
  5. Step 5: Solve for x
    x = 31,683,136,412,613,420/198,517,192.80
  6. Step 6: Final answer
    x = 159,598,954.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.