Home / 195,464,824.80-293,197,237.20-129,991,293.60

Finding the Fourth Proportional to 195,464,824.80, 293,197,237.20 and 129,991,293.60

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Solution

The fourth proportional to 195,464,824.80, 293,197,237.20 and 129,991,293.60 is: 194,986,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,464,824.80 : 293,197,237.20 = 129,991,293.60 : x
  2. Step 2: Convert to fraction form
    195,464,824.80/293,197,237.20 = 129,991,293.60/x
  3. Step 3: Cross multiply
    195,464,824.80x = 293,197,237.20 × 129,991,293.60
  4. Step 4: Simplify right side
    195,464,824.80x = 38,113,088,143,574,040
  5. Step 5: Solve for x
    x = 38,113,088,143,574,040/195,464,824.80
  6. Step 6: Final answer
    x = 194,986,940.40

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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.