Home / 315,143,750.54-472,779,401.97-110,687,769.02

Finding the Fourth Proportional to 315,143,750.54, 472,779,401.97 and 110,687,769.02

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Solution

The fourth proportional to 315,143,750.54, 472,779,401.97 and 110,687,769.02 is: 166,054,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,143,750.54 : 472,779,401.97 = 110,687,769.02 : x
  2. Step 2: Convert to fraction form
    315,143,750.54/472,779,401.97 = 110,687,769.02/x
  3. Step 3: Cross multiply
    315,143,750.54x = 472,779,401.97 × 110,687,769.02
  4. Step 4: Simplify right side
    315,143,750.54x = 52,330,897,242,669,096
  5. Step 5: Solve for x
    x = 52,330,897,242,669,096/315,143,750.54
  6. Step 6: Final answer
    x = 166,054,053.60

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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.