Home / 191,861,956.20-264,855,965.22-122,340,783.72

Finding the Fourth Proportional to 191,861,956.20, 264,855,965.22 and 122,340,783.72

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Solution

The fourth proportional to 191,861,956.20, 264,855,965.22 and 122,340,783.72 is: 168,885,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,861,956.20 : 264,855,965.22 = 122,340,783.72 : x
  2. Step 2: Convert to fraction form
    191,861,956.20/264,855,965.22 = 122,340,783.72/x
  3. Step 3: Cross multiply
    191,861,956.20x = 264,855,965.22 × 122,340,783.72
  4. Step 4: Simplify right side
    191,861,956.20x = 32,402,686,357,931,860
  5. Step 5: Solve for x
    x = 32,402,686,357,931,860/191,861,956.20
  6. Step 6: Final answer
    x = 168,885,416.37

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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.