Home / 124,504,394.10-186,756,591.15-72,848,328.90

Finding the Fourth Proportional to 124,504,394.10, 186,756,591.15 and 72,848,328.90

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Solution

The fourth proportional to 124,504,394.10, 186,756,591.15 and 72,848,328.90 is: 109,272,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,504,394.10 : 186,756,591.15 = 72,848,328.90 : x
  2. Step 2: Convert to fraction form
    124,504,394.10/186,756,591.15 = 72,848,328.90/x
  3. Step 3: Cross multiply
    124,504,394.10x = 186,756,591.15 × 72,848,328.90
  4. Step 4: Simplify right side
    124,504,394.10x = 13,604,905,576,338,030
  5. Step 5: Solve for x
    x = 13,604,905,576,338,030/124,504,394.10
  6. Step 6: Final answer
    x = 109,272,493.35

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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.