Home / 210,374,523.30-290,311,273.18-117,555,793.86

Finding the Fourth Proportional to 210,374,523.30, 290,311,273.18 and 117,555,793.86

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Solution

The fourth proportional to 210,374,523.30, 290,311,273.18 and 117,555,793.86 is: 162,223,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,523.30 : 290,311,273.18 = 117,555,793.86 : x
  2. Step 2: Convert to fraction form
    210,374,523.30/290,311,273.18 = 117,555,793.86/x
  3. Step 3: Cross multiply
    210,374,523.30x = 290,311,273.18 × 117,555,793.86
  4. Step 4: Simplify right side
    210,374,523.30x = 34,127,772,184,594,448
  5. Step 5: Solve for x
    x = 34,127,772,184,594,448/210,374,523.30
  6. Step 6: Final answer
    x = 162,223,883.62

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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.