Home / 193,971,000.60-290,956,500.90-78,896,309.40

Finding the Fourth Proportional to 193,971,000.60, 290,956,500.90 and 78,896,309.40

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Solution

The fourth proportional to 193,971,000.60, 290,956,500.90 and 78,896,309.40 is: 118,344,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,971,000.60 : 290,956,500.90 = 78,896,309.40 : x
  2. Step 2: Convert to fraction form
    193,971,000.60/290,956,500.90 = 78,896,309.40/x
  3. Step 3: Cross multiply
    193,971,000.60x = 290,956,500.90 × 78,896,309.40
  4. Step 4: Simplify right side
    193,971,000.60x = 22,955,394,116,947,780
  5. Step 5: Solve for x
    x = 22,955,394,116,947,780/193,971,000.60
  6. Step 6: Final answer
    x = 118,344,464.10

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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.