Home / 68,296,316.40-102,409,045.20-25,143,307.20

Finding the Fourth Proportional to 68,296,316.40, 102,409,045.20 and 25,143,307.20

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Solution

The fourth proportional to 68,296,316.40, 102,409,045.20 and 25,143,307.20 is: 37,701,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,296,316.40 : 102,409,045.20 = 25,143,307.20 : x
  2. Step 2: Convert to fraction form
    68,296,316.40/102,409,045.20 = 25,143,307.20/x
  3. Step 3: Cross multiply
    68,296,316.40x = 102,409,045.20 × 25,143,307.20
  4. Step 4: Simplify right side
    68,296,316.40x = 2,574,902,083,522,285.50
  5. Step 5: Solve for x
    x = 2,574,902,083,522,285.50/68,296,316.40
  6. Step 6: Final answer
    x = 37,701,917.46

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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.