Home / 289,472,002.80-434,208,004.20-167,027,996.40

Finding the Fourth Proportional to 289,472,002.80, 434,208,004.20 and 167,027,996.40

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Solution

The fourth proportional to 289,472,002.80, 434,208,004.20 and 167,027,996.40 is: 250,541,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,472,002.80 : 434,208,004.20 = 167,027,996.40 : x
  2. Step 2: Convert to fraction form
    289,472,002.80/434,208,004.20 = 167,027,996.40/x
  3. Step 3: Cross multiply
    289,472,002.80x = 434,208,004.20 × 167,027,996.40
  4. Step 4: Simplify right side
    289,472,002.80x = 72,524,892,962,368,784
  5. Step 5: Solve for x
    x = 72,524,892,962,368,784/289,472,002.80
  6. Step 6: Final answer
    x = 250,541,994.60

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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.