Home / 147,912,147.40-221,686,498.14-83,079,669.64

Finding the Fourth Proportional to 147,912,147.40, 221,686,498.14 and 83,079,669.64

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Solution

The fourth proportional to 147,912,147.40, 221,686,498.14 and 83,079,669.64 is: 124,517,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,912,147.40 : 221,686,498.14 = 83,079,669.64 : x
  2. Step 2: Convert to fraction form
    147,912,147.40/221,686,498.14 = 83,079,669.64/x
  3. Step 3: Cross multiply
    147,912,147.40x = 221,686,498.14 × 83,079,669.64
  4. Step 4: Simplify right side
    147,912,147.40x = 18,417,641,029,119,672
  5. Step 5: Solve for x
    x = 18,417,641,029,119,672/147,912,147.40
  6. Step 6: Final answer
    x = 124,517,433.85

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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.