Home / 193,019,718.86-289,366,849.04-83,762,584.35

Finding the Fourth Proportional to 193,019,718.86, 289,366,849.04 and 83,762,584.35

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Solution

The fourth proportional to 193,019,718.86, 289,366,849.04 and 83,762,584.35 is: 125,573,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,019,718.86 : 289,366,849.04 = 83,762,584.35 : x
  2. Step 2: Convert to fraction form
    193,019,718.86/289,366,849.04 = 83,762,584.35/x
  3. Step 3: Cross multiply
    193,019,718.86x = 289,366,849.04 × 83,762,584.35
  4. Step 4: Simplify right side
    193,019,718.86x = 24,238,115,099,302,780
  5. Step 5: Solve for x
    x = 24,238,115,099,302,780/193,019,718.86
  6. Step 6: Final answer
    x = 125,573,258.75

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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.