Home / 61,237,428.70-91,856,143.05-40,830,094.30

Finding the Fourth Proportional to 61,237,428.70, 91,856,143.05 and 40,830,094.30

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Solution

The fourth proportional to 61,237,428.70, 91,856,143.05 and 40,830,094.30 is: 61,245,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237,428.70 : 91,856,143.05 = 40,830,094.30 : x
  2. Step 2: Convert to fraction form
    61,237,428.70/91,856,143.05 = 40,830,094.30/x
  3. Step 3: Cross multiply
    61,237,428.70x = 91,856,143.05 × 40,830,094.30
  4. Step 4: Simplify right side
    61,237,428.70x = 3,750,494,982,765,789
  5. Step 5: Solve for x
    x = 3,750,494,982,765,789/61,237,428.70
  6. Step 6: Final answer
    x = 61,245,141.45

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Double scale
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Similar ratio
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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.