Home / 112,833,830.67-155,644,715.52-70,951,610.62

Finding the Fourth Proportional to 112,833,830.67, 155,644,715.52 and 70,951,610.62

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Solution

The fourth proportional to 112,833,830.67, 155,644,715.52 and 70,951,610.62 is: 97,871,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,830.67 : 155,644,715.52 = 70,951,610.62 : x
  2. Step 2: Convert to fraction form
    112,833,830.67/155,644,715.52 = 70,951,610.62/x
  3. Step 3: Cross multiply
    112,833,830.67x = 155,644,715.52 × 70,951,610.62
  4. Step 4: Simplify right side
    112,833,830.67x = 11,043,243,250,635,712
  5. Step 5: Solve for x
    x = 11,043,243,250,635,712/112,833,830.67
  6. Step 6: Final answer
    x = 97,871,739.22

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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.