Home / 315,143,749.54-472,779,400.47-110,687,768.02

Finding the Fourth Proportional to 315,143,749.54, 472,779,400.47 and 110,687,768.02

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Solution

The fourth proportional to 315,143,749.54, 472,779,400.47 and 110,687,768.02 is: 166,054,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,143,749.54 : 472,779,400.47 = 110,687,768.02 : x
  2. Step 2: Convert to fraction form
    315,143,749.54/472,779,400.47 = 110,687,768.02/x
  3. Step 3: Cross multiply
    315,143,749.54x = 472,779,400.47 × 110,687,768.02
  4. Step 4: Simplify right side
    315,143,749.54x = 52,330,896,603,858,040
  5. Step 5: Solve for x
    x = 52,330,896,603,858,040/315,143,749.54
  6. Step 6: Final answer
    x = 166,054,052.10

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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.