Home / 189,038,200.80-283,557,301.20-45,431,032.80

Finding the Fourth Proportional to 189,038,200.80, 283,557,301.20 and 45,431,032.80

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Solution

The fourth proportional to 189,038,200.80, 283,557,301.20 and 45,431,032.80 is: 68,146,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,038,200.80 : 283,557,301.20 = 45,431,032.80 : x
  2. Step 2: Convert to fraction form
    189,038,200.80/283,557,301.20 = 45,431,032.80/x
  3. Step 3: Cross multiply
    189,038,200.80x = 283,557,301.20 × 45,431,032.80
  4. Step 4: Simplify right side
    189,038,200.80x = 12,882,301,051,496,678
  5. Step 5: Solve for x
    x = 12,882,301,051,496,678/189,038,200.80
  6. Step 6: Final answer
    x = 68,146,549.20

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1.5x scale

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.