Home / 319,059,601.20-440,301,823.20-172,381,885.20

Finding the Fourth Proportional to 319,059,601.20, 440,301,823.20 and 172,381,885.20

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Solution

The fourth proportional to 319,059,601.20, 440,301,823.20 and 172,381,885.20 is: 237,886,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,059,601.20 : 440,301,823.20 = 172,381,885.20 : x
  2. Step 2: Convert to fraction form
    319,059,601.20/440,301,823.20 = 172,381,885.20/x
  3. Step 3: Cross multiply
    319,059,601.20x = 440,301,823.20 × 172,381,885.20
  4. Step 4: Simplify right side
    319,059,601.20x = 75,900,058,340,213,088
  5. Step 5: Solve for x
    x = 75,900,058,340,213,088/319,059,601.20
  6. Step 6: Final answer
    x = 237,886,771.17

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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.