Home / 140,652,005.59-194,099,767.69-78,772,344.15

Finding the Fourth Proportional to 140,652,005.59, 194,099,767.69 and 78,772,344.15

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Solution

The fourth proportional to 140,652,005.59, 194,099,767.69 and 78,772,344.15 is: 108,705,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,652,005.59 : 194,099,767.69 = 78,772,344.15 : x
  2. Step 2: Convert to fraction form
    140,652,005.59/194,099,767.69 = 78,772,344.15/x
  3. Step 3: Cross multiply
    140,652,005.59x = 194,099,767.69 × 78,772,344.15
  4. Step 4: Simplify right side
    140,652,005.59x = 15,289,693,699,911,732
  5. Step 5: Solve for x
    x = 15,289,693,699,911,732/140,652,005.59
  6. Step 6: Final answer
    x = 108,705,834.91

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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.