Home / 228,782,031-315,719,406.22-124,360,102.32

Finding the Fourth Proportional to 228,782,031, 315,719,406.22 and 124,360,102.32

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Solution

The fourth proportional to 228,782,031, 315,719,406.22 and 124,360,102.32 is: 171,617,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,782,031 : 315,719,406.22 = 124,360,102.32 : x
  2. Step 2: Convert to fraction form
    228,782,031/315,719,406.22 = 124,360,102.32/x
  3. Step 3: Cross multiply
    228,782,031x = 315,719,406.22 × 124,360,102.32
  4. Step 4: Simplify right side
    228,782,031x = 39,262,897,661,928,848
  5. Step 5: Solve for x
    x = 39,262,897,661,928,848/228,782,031
  6. Step 6: Final answer
    x = 171,617,051.79

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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.