Home / 189,835,140.32-284,288,355.61-171,432,672.56

Finding the Fourth Proportional to 189,835,140.32, 284,288,355.61 and 171,432,672.56

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Solution

The fourth proportional to 189,835,140.32, 284,288,355.61 and 171,432,672.56 is: 256,729,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,835,140.32 : 284,288,355.61 = 171,432,672.56 : x
  2. Step 2: Convert to fraction form
    189,835,140.32/284,288,355.61 = 171,432,672.56/x
  3. Step 3: Cross multiply
    189,835,140.32x = 284,288,355.61 × 171,432,672.56
  4. Step 4: Simplify right side
    189,835,140.32x = 48,736,312,578,059,952
  5. Step 5: Solve for x
    x = 48,736,312,578,059,952/189,835,140.32
  6. Step 6: Final answer
    x = 256,729,668.16

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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.