Home / 57,937,643.21-79,952,661.78-31,475,313.18

Finding the Fourth Proportional to 57,937,643.21, 79,952,661.78 and 31,475,313.18

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Solution

The fourth proportional to 57,937,643.21, 79,952,661.78 and 31,475,313.18 is: 43,435,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,937,643.21 : 79,952,661.78 = 31,475,313.18 : x
  2. Step 2: Convert to fraction form
    57,937,643.21/79,952,661.78 = 31,475,313.18/x
  3. Step 3: Cross multiply
    57,937,643.21x = 79,952,661.78 × 31,475,313.18
  4. Step 4: Simplify right side
    57,937,643.21x = 2,516,535,069,100,116.50
  5. Step 5: Solve for x
    x = 2,516,535,069,100,116.50/57,937,643.21
  6. Step 6: Final answer
    x = 43,435,233.64

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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.