Home / 116,992,534.21-161,617,866.30-93,440,148.55

Finding the Fourth Proportional to 116,992,534.21, 161,617,866.30 and 93,440,148.55

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Solution

The fourth proportional to 116,992,534.21, 161,617,866.30 and 93,440,148.55 is: 129,081,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,992,534.21 : 161,617,866.30 = 93,440,148.55 : x
  2. Step 2: Convert to fraction form
    116,992,534.21/161,617,866.30 = 93,440,148.55/x
  3. Step 3: Cross multiply
    116,992,534.21x = 161,617,866.30 × 93,440,148.55
  4. Step 4: Simplify right side
    116,992,534.21x = 15,101,597,435,001,996
  5. Step 5: Solve for x
    x = 15,101,597,435,001,996/116,992,534.21
  6. Step 6: Final answer
    x = 129,081,719.08

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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.