Home / 51,642,442.62-71,261,152.70-29,308,316.40

Finding the Fourth Proportional to 51,642,442.62, 71,261,152.70 and 29,308,316.40

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Solution

The fourth proportional to 51,642,442.62, 71,261,152.70 and 29,308,316.40 is: 40,442,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642,442.62 : 71,261,152.70 = 29,308,316.40 : x
  2. Step 2: Convert to fraction form
    51,642,442.62/71,261,152.70 = 29,308,316.40/x
  3. Step 3: Cross multiply
    51,642,442.62x = 71,261,152.70 × 29,308,316.40
  4. Step 4: Simplify right side
    51,642,442.62x = 2,088,544,410,213,772.50
  5. Step 5: Solve for x
    x = 2,088,544,410,213,772.50/51,642,442.62
  6. Step 6: Final answer
    x = 40,442,401.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.