Home / 189,499,259.70-284,248,889.55-87,462,587.70

Finding the Fourth Proportional to 189,499,259.70, 284,248,889.55 and 87,462,587.70

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Solution

The fourth proportional to 189,499,259.70, 284,248,889.55 and 87,462,587.70 is: 131,193,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,499,259.70 : 284,248,889.55 = 87,462,587.70 : x
  2. Step 2: Convert to fraction form
    189,499,259.70/284,248,889.55 = 87,462,587.70/x
  3. Step 3: Cross multiply
    189,499,259.70x = 284,248,889.55 × 87,462,587.70
  4. Step 4: Simplify right side
    189,499,259.70x = 24,861,143,430,894,492
  5. Step 5: Solve for x
    x = 24,861,143,430,894,492/189,499,259.70
  6. Step 6: Final answer
    x = 131,193,881.55

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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.