Home / 277,988,381.56-383,616,662.61-152,540,192.08

Finding the Fourth Proportional to 277,988,381.56, 383,616,662.61 and 152,540,192.08

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Solution

The fourth proportional to 277,988,381.56, 383,616,662.61 and 152,540,192.08 is: 210,501,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,988,381.56 : 383,616,662.61 = 152,540,192.08 : x
  2. Step 2: Convert to fraction form
    277,988,381.56/383,616,662.61 = 152,540,192.08/x
  3. Step 3: Cross multiply
    277,988,381.56x = 383,616,662.61 × 152,540,192.08
  4. Step 4: Simplify right side
    277,988,381.56x = 58,516,959,399,617,960
  5. Step 5: Solve for x
    x = 58,516,959,399,617,960/277,988,381.56
  6. Step 6: Final answer
    x = 210,501,457.19

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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.