Home / 240,071,212.72-331,299,864.12-130,062,925.76

Finding the Fourth Proportional to 240,071,212.72, 331,299,864.12 and 130,062,925.76

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Solution

The fourth proportional to 240,071,212.72, 331,299,864.12 and 130,062,925.76 is: 179,487,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,071,212.72 : 331,299,864.12 = 130,062,925.76 : x
  2. Step 2: Convert to fraction form
    240,071,212.72/331,299,864.12 = 130,062,925.76/x
  3. Step 3: Cross multiply
    240,071,212.72x = 331,299,864.12 × 130,062,925.76
  4. Step 4: Simplify right side
    240,071,212.72x = 43,089,829,631,337,648
  5. Step 5: Solve for x
    x = 43,089,829,631,337,648/240,071,212.72
  6. Step 6: Final answer
    x = 179,487,699.27

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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.