Home / 243,240,414.50-335,705,168.92-149,137,916.06

Finding the Fourth Proportional to 243,240,414.50, 335,705,168.92 and 149,137,916.06

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Solution

The fourth proportional to 243,240,414.50, 335,705,168.92 and 149,137,916.06 is: 205,830,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,240,414.50 : 335,705,168.92 = 149,137,916.06 : x
  2. Step 2: Convert to fraction form
    243,240,414.50/335,705,168.92 = 149,137,916.06/x
  3. Step 3: Cross multiply
    243,240,414.50x = 335,705,168.92 × 149,137,916.06
  4. Step 4: Simplify right side
    243,240,414.50x = 50,066,369,303,299,088
  5. Step 5: Solve for x
    x = 50,066,369,303,299,088/243,240,414.50
  6. Step 6: Final answer
    x = 205,830,800.80

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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.