Home / 298,516,962.72-411,935,311.20-164,549,019.84

Finding the Fourth Proportional to 298,516,962.72, 411,935,311.20 and 164,549,019.84

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Solution

The fourth proportional to 298,516,962.72, 411,935,311.20 and 164,549,019.84 is: 227,067,671.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,516,962.72 : 411,935,311.20 = 164,549,019.84 : x
  2. Step 2: Convert to fraction form
    298,516,962.72/411,935,311.20 = 164,549,019.84/x
  3. Step 3: Cross multiply
    298,516,962.72x = 411,935,311.20 × 164,549,019.84
  4. Step 4: Simplify right side
    298,516,962.72x = 67,783,551,695,445,376
  5. Step 5: Solve for x
    x = 67,783,551,695,445,376/298,516,962.72
  6. Step 6: Final answer
    x = 227,067,671.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.