Home / 151,600,236.23-209,208,956.54-81,985,617.11

Finding the Fourth Proportional to 151,600,236.23, 209,208,956.54 and 81,985,617.11

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Solution

The fourth proportional to 151,600,236.23, 209,208,956.54 and 81,985,617.11 is: 113,140,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,236.23 : 209,208,956.54 = 81,985,617.11 : x
  2. Step 2: Convert to fraction form
    151,600,236.23/209,208,956.54 = 81,985,617.11/x
  3. Step 3: Cross multiply
    151,600,236.23x = 209,208,956.54 × 81,985,617.11
  4. Step 4: Simplify right side
    151,600,236.23x = 17,152,125,407,099,764
  5. Step 5: Solve for x
    x = 17,152,125,407,099,764/151,600,236.23
  6. Step 6: Final answer
    x = 113,140,492.61

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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.