Home / 189,397,749.60-284,309,200.80-146,457,316.80

Finding the Fourth Proportional to 189,397,749.60, 284,309,200.80 and 146,457,316.80

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Solution

The fourth proportional to 189,397,749.60, 284,309,200.80 and 146,457,316.80 is: 219,850,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,397,749.60 : 284,309,200.80 = 146,457,316.80 : x
  2. Step 2: Convert to fraction form
    189,397,749.60/284,309,200.80 = 146,457,316.80/x
  3. Step 3: Cross multiply
    189,397,749.60x = 284,309,200.80 × 146,457,316.80
  4. Step 4: Simplify right side
    189,397,749.60x = 41,639,162,690,720,416
  5. Step 5: Solve for x
    x = 41,639,162,690,720,416/189,397,749.60
  6. Step 6: Final answer
    x = 219,850,356.08

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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.