Home / 197,518,783.38-272,670,439.95-131,549,065.62

Finding the Fourth Proportional to 197,518,783.38, 272,670,439.95 and 131,549,065.62

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Solution

The fourth proportional to 197,518,783.38, 272,670,439.95 and 131,549,065.62 is: 181,600,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,518,783.38 : 272,670,439.95 = 131,549,065.62 : x
  2. Step 2: Convert to fraction form
    197,518,783.38/272,670,439.95 = 131,549,065.62/x
  3. Step 3: Cross multiply
    197,518,783.38x = 272,670,439.95 × 131,549,065.62
  4. Step 4: Simplify right side
    197,518,783.38x = 35,869,541,597,616,820
  5. Step 5: Solve for x
    x = 35,869,541,597,616,820/197,518,783.38
  6. Step 6: Final answer
    x = 181,600,660.88

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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.