Home / 57,435,905.61-86,154,608.67-19,097,418.96

Finding the Fourth Proportional to 57,435,905.61, 86,154,608.67 and 19,097,418.96

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Solution

The fourth proportional to 57,435,905.61, 86,154,608.67 and 19,097,418.96 is: 28,646,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,905.61 : 86,154,608.67 = 19,097,418.96 : x
  2. Step 2: Convert to fraction form
    57,435,905.61/86,154,608.67 = 19,097,418.96/x
  3. Step 3: Cross multiply
    57,435,905.61x = 86,154,608.67 × 19,097,418.96
  4. Step 4: Simplify right side
    57,435,905.61x = 1,645,330,657,105,838.50
  5. Step 5: Solve for x
    x = 1,645,330,657,105,838.50/57,435,905.61
  6. Step 6: Final answer
    x = 28,646,377.90

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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.