Home / 57,373,381.34-79,172,955.47-31,267,337.30

Finding the Fourth Proportional to 57,373,381.34, 79,172,955.47 and 31,267,337.30

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Solution

The fourth proportional to 57,373,381.34, 79,172,955.47 and 31,267,337.30 is: 43,147,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373,381.34 : 79,172,955.47 = 31,267,337.30 : x
  2. Step 2: Convert to fraction form
    57,373,381.34/79,172,955.47 = 31,267,337.30/x
  3. Step 3: Cross multiply
    57,373,381.34x = 79,172,955.47 × 31,267,337.30
  4. Step 4: Simplify right side
    57,373,381.34x = 2,475,527,503,718,370
  5. Step 5: Solve for x
    x = 2,475,527,503,718,370/57,373,381.34
  6. Step 6: Final answer
    x = 43,147,666.15

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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.