Home / 147,684,527.80-221,726,246.10-86,336,553.40

Finding the Fourth Proportional to 147,684,527.80, 221,726,246.10 and 86,336,553.40

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Solution

The fourth proportional to 147,684,527.80, 221,726,246.10 and 86,336,553.40 is: 129,621,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,684,527.80 : 221,726,246.10 = 86,336,553.40 : x
  2. Step 2: Convert to fraction form
    147,684,527.80/221,726,246.10 = 86,336,553.40/x
  3. Step 3: Cross multiply
    147,684,527.80x = 221,726,246.10 × 86,336,553.40
  4. Step 4: Simplify right side
    147,684,527.80x = 19,143,079,886,594,192
  5. Step 5: Solve for x
    x = 19,143,079,886,594,192/147,684,527.80
  6. Step 6: Final answer
    x = 129,621,431.38

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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.