Home / 131,527,485.40-197,291,228.10-54,825,021.40

Finding the Fourth Proportional to 131,527,485.40, 197,291,228.10 and 54,825,021.40

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Solution

The fourth proportional to 131,527,485.40, 197,291,228.10 and 54,825,021.40 is: 82,237,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,527,485.40 : 197,291,228.10 = 54,825,021.40 : x
  2. Step 2: Convert to fraction form
    131,527,485.40/197,291,228.10 = 54,825,021.40/x
  3. Step 3: Cross multiply
    131,527,485.40x = 197,291,228.10 × 54,825,021.40
  4. Step 4: Simplify right side
    131,527,485.40x = 10,816,495,802,614,780
  5. Step 5: Solve for x
    x = 10,816,495,802,614,780/131,527,485.40
  6. Step 6: Final answer
    x = 82,237,532.10

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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.