Home / 189,288,002.90-283,932,004.35-156,976,390.10

Finding the Fourth Proportional to 189,288,002.90, 283,932,004.35 and 156,976,390.10

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Solution

The fourth proportional to 189,288,002.90, 283,932,004.35 and 156,976,390.10 is: 235,464,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,288,002.90 : 283,932,004.35 = 156,976,390.10 : x
  2. Step 2: Convert to fraction form
    189,288,002.90/283,932,004.35 = 156,976,390.10/x
  3. Step 3: Cross multiply
    189,288,002.90x = 283,932,004.35 × 156,976,390.10
  4. Step 4: Simplify right side
    189,288,002.90x = 44,570,621,076,720,496
  5. Step 5: Solve for x
    x = 44,570,621,076,720,496/189,288,002.90
  6. Step 6: Final answer
    x = 235,464,585.15

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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.