Home / 197,518,738.35-272,670,377.73-131,549,020.59

Finding the Fourth Proportional to 197,518,738.35, 272,670,377.73 and 131,549,020.59

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Solution

The fourth proportional to 197,518,738.35, 272,670,377.73 and 131,549,020.59 is: 181,600,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,518,738.35 : 272,670,377.73 = 131,549,020.59 : x
  2. Step 2: Convert to fraction form
    197,518,738.35/272,670,377.73 = 131,549,020.59/x
  3. Step 3: Cross multiply
    197,518,738.35x = 272,670,377.73 × 131,549,020.59
  4. Step 4: Simplify right side
    197,518,738.35x = 35,869,521,134,286,852
  5. Step 5: Solve for x
    x = 35,869,521,134,286,852/197,518,738.35
  6. Step 6: Final answer
    x = 181,600,598.68

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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.