Home / 57,535,862.09-79,398,493.72-31,429,708.70

Finding the Fourth Proportional to 57,535,862.09, 79,398,493.72 and 31,429,708.70

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Solution

The fourth proportional to 57,535,862.09, 79,398,493.72 and 31,429,708.70 is: 43,372,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,535,862.09 : 79,398,493.72 = 31,429,708.70 : x
  2. Step 2: Convert to fraction form
    57,535,862.09/79,398,493.72 = 31,429,708.70/x
  3. Step 3: Cross multiply
    57,535,862.09x = 79,398,493.72 × 31,429,708.70
  4. Step 4: Simplify right side
    57,535,862.09x = 2,495,471,528,362,812.50
  5. Step 5: Solve for x
    x = 2,495,471,528,362,812.50/57,535,862.09
  6. Step 6: Final answer
    x = 43,372,453.94

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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.