Home / 185,707,044.32-256,005,622.28-129,778,823.12

Finding the Fourth Proportional to 185,707,044.32, 256,005,622.28 and 129,778,823.12

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Solution

The fourth proportional to 185,707,044.32, 256,005,622.28 and 129,778,823.12 is: 178,906,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,707,044.32 : 256,005,622.28 = 129,778,823.12 : x
  2. Step 2: Convert to fraction form
    185,707,044.32/256,005,622.28 = 129,778,823.12/x
  3. Step 3: Cross multiply
    185,707,044.32x = 256,005,622.28 × 129,778,823.12
  4. Step 4: Simplify right side
    185,707,044.32x = 33,224,108,371,601,652
  5. Step 5: Solve for x
    x = 33,224,108,371,601,652/185,707,044.32
  6. Step 6: Final answer
    x = 178,906,021.00

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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.