Home / 111,991,416.67-154,557,353.71-61,765,459.93

Finding the Fourth Proportional to 111,991,416.67, 154,557,353.71 and 61,765,459.93

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Solution

The fourth proportional to 111,991,416.67, 154,557,353.71 and 61,765,459.93 is: 85,241,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,991,416.67 : 154,557,353.71 = 61,765,459.93 : x
  2. Step 2: Convert to fraction form
    111,991,416.67/154,557,353.71 = 61,765,459.93/x
  3. Step 3: Cross multiply
    111,991,416.67x = 154,557,353.71 × 61,765,459.93
  4. Step 4: Simplify right side
    111,991,416.67x = 9,546,306,037,732,246
  5. Step 5: Solve for x
    x = 9,546,306,037,732,246/111,991,416.67
  6. Step 6: Final answer
    x = 85,241,407.97

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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.