Home / 195,643,421.60-293,465,132.40-192,620,112.80

Finding the Fourth Proportional to 195,643,421.60, 293,465,132.40 and 192,620,112.80

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Solution

The fourth proportional to 195,643,421.60, 293,465,132.40 and 192,620,112.80 is: 288,930,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,643,421.60 : 293,465,132.40 = 192,620,112.80 : x
  2. Step 2: Convert to fraction form
    195,643,421.60/293,465,132.40 = 192,620,112.80/x
  3. Step 3: Cross multiply
    195,643,421.60x = 293,465,132.40 × 192,620,112.80
  4. Step 4: Simplify right side
    195,643,421.60x = 56,527,286,905,754,936
  5. Step 5: Solve for x
    x = 56,527,286,905,754,936/195,643,421.60
  6. Step 6: Final answer
    x = 288,930,169.20

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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.