Home / 61,121,461.11-91,685,030.33-19,624,030.73

Finding the Fourth Proportional to 61,121,461.11, 91,685,030.33 and 19,624,030.73

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Solution

The fourth proportional to 61,121,461.11, 91,685,030.33 and 19,624,030.73 is: 29,436,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121,461.11 : 91,685,030.33 = 19,624,030.73 : x
  2. Step 2: Convert to fraction form
    61,121,461.11/91,685,030.33 = 19,624,030.73/x
  3. Step 3: Cross multiply
    61,121,461.11x = 91,685,030.33 × 19,624,030.73
  4. Step 4: Simplify right side
    61,121,461.11x = 1,799,229,853,071,901.25
  5. Step 5: Solve for x
    x = 1,799,229,853,071,901.25/61,121,461.11
  6. Step 6: Final answer
    x = 29,436,957.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.