Home / 173,868,229.65-260,802,344.48-78,316,741.65

Finding the Fourth Proportional to 173,868,229.65, 260,802,344.48 and 78,316,741.65

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Solution

The fourth proportional to 173,868,229.65, 260,802,344.48 and 78,316,741.65 is: 117,475,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,229.65 : 260,802,344.48 = 78,316,741.65 : x
  2. Step 2: Convert to fraction form
    173,868,229.65/260,802,344.48 = 78,316,741.65/x
  3. Step 3: Cross multiply
    173,868,229.65x = 260,802,344.48 × 78,316,741.65
  4. Step 4: Simplify right side
    173,868,229.65x = 20,425,189,833,962,880
  5. Step 5: Solve for x
    x = 20,425,189,833,962,880/173,868,229.65
  6. Step 6: Final answer
    x = 117,475,112.48

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Double scale
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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.