Home / 57,183,461.37-78,913,786.14-31,077,980.55

Finding the Fourth Proportional to 57,183,461.37, 78,913,786.14 and 31,077,980.55

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Solution

The fourth proportional to 57,183,461.37, 78,913,786.14 and 31,077,980.55 is: 42,887,944.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,461.37 : 78,913,786.14 = 31,077,980.55 : x
  2. Step 2: Convert to fraction form
    57,183,461.37/78,913,786.14 = 31,077,980.55/x
  3. Step 3: Cross multiply
    57,183,461.37x = 78,913,786.14 × 31,077,980.55
  4. Step 4: Simplify right side
    57,183,461.37x = 2,452,481,110,785,779.50
  5. Step 5: Solve for x
    x = 2,452,481,110,785,779.50/57,183,461.37
  6. Step 6: Final answer
    x = 42,887,944.38

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1.5x scale

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.