Home / 55,400,466.60-83,100,699.90-42,645,882.60

Finding the Fourth Proportional to 55,400,466.60, 83,100,699.90 and 42,645,882.60

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Solution

The fourth proportional to 55,400,466.60, 83,100,699.90 and 42,645,882.60 is: 63,968,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400,466.60 : 83,100,699.90 = 42,645,882.60 : x
  2. Step 2: Convert to fraction form
    55,400,466.60/83,100,699.90 = 42,645,882.60/x
  3. Step 3: Cross multiply
    55,400,466.60x = 83,100,699.90 × 42,645,882.60
  4. Step 4: Simplify right side
    55,400,466.60x = 3,543,902,691,913,232
  5. Step 5: Solve for x
    x = 3,543,902,691,913,232/55,400,466.60
  6. Step 6: Final answer
    x = 63,968,823.90

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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.