Home / 61,121,518.68-91,672,310.70-17,980,631.40

Finding the Fourth Proportional to 61,121,518.68, 91,672,310.70 and 17,980,631.40

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Solution

The fourth proportional to 61,121,518.68, 91,672,310.70 and 17,980,631.40 is: 26,968,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121,518.68 : 91,672,310.70 = 17,980,631.40 : x
  2. Step 2: Convert to fraction form
    61,121,518.68/91,672,310.70 = 17,980,631.40/x
  3. Step 3: Cross multiply
    61,121,518.68x = 91,672,310.70 × 17,980,631.40
  4. Step 4: Simplify right side
    61,121,518.68x = 1,648,326,028,282,976
  5. Step 5: Solve for x
    x = 1,648,326,028,282,976/61,121,518.68
  6. Step 6: Final answer
    x = 26,968,014.93

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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.