Home / 314,930,405.70-472,395,608.55-84,922,740.90

Finding the Fourth Proportional to 314,930,405.70, 472,395,608.55 and 84,922,740.90

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Solution

The fourth proportional to 314,930,405.70, 472,395,608.55 and 84,922,740.90 is: 127,384,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,405.70 : 472,395,608.55 = 84,922,740.90 : x
  2. Step 2: Convert to fraction form
    314,930,405.70/472,395,608.55 = 84,922,740.90/x
  3. Step 3: Cross multiply
    314,930,405.70x = 472,395,608.55 × 84,922,740.90
  4. Step 4: Simplify right side
    314,930,405.70x = 40,117,129,867,189,480
  5. Step 5: Solve for x
    x = 40,117,129,867,189,480/314,930,405.70
  6. Step 6: Final answer
    x = 127,384,111.35

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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.