Home / 393,429,292.08-590,103,496.73-131,085,507.93

Finding the Fourth Proportional to 393,429,292.08, 590,103,496.73 and 131,085,507.93

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Solution

The fourth proportional to 393,429,292.08, 590,103,496.73 and 131,085,507.93 is: 196,614,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,429,292.08 : 590,103,496.73 = 131,085,507.93 : x
  2. Step 2: Convert to fraction form
    393,429,292.08/590,103,496.73 = 131,085,507.93/x
  3. Step 3: Cross multiply
    393,429,292.08x = 590,103,496.73 × 131,085,507.93
  4. Step 4: Simplify right side
    393,429,292.08x = 77,354,016,599,525,808
  5. Step 5: Solve for x
    x = 77,354,016,599,525,808/393,429,292.08
  6. Step 6: Final answer
    x = 196,614,787.35

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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.