Home / 57,183,458.88-78,913,782.70-31,077,978.06

Finding the Fourth Proportional to 57,183,458.88, 78,913,782.70 and 31,077,978.06

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Solution

The fourth proportional to 57,183,458.88, 78,913,782.70 and 31,077,978.06 is: 42,887,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,458.88 : 78,913,782.70 = 31,077,978.06 : x
  2. Step 2: Convert to fraction form
    57,183,458.88/78,913,782.70 = 31,077,978.06/x
  3. Step 3: Cross multiply
    57,183,458.88x = 78,913,782.70 × 31,077,978.06
  4. Step 4: Simplify right side
    57,183,458.88x = 2,452,480,807,382,207.50
  5. Step 5: Solve for x
    x = 2,452,480,807,382,207.50/57,183,458.88
  6. Step 6: Final answer
    x = 42,887,940.94

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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.