Home / 57,680,300.61-79,598,808.93-31,574,836.12

Finding the Fourth Proportional to 57,680,300.61, 79,598,808.93 and 31,574,836.12

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Solution

The fourth proportional to 57,680,300.61, 79,598,808.93 and 31,574,836.12 is: 43,573,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680,300.61 : 79,598,808.93 = 31,574,836.12 : x
  2. Step 2: Convert to fraction form
    57,680,300.61/79,598,808.93 = 31,574,836.12/x
  3. Step 3: Cross multiply
    57,680,300.61x = 79,598,808.93 × 31,574,836.12
  4. Step 4: Simplify right side
    57,680,300.61x = 2,513,319,347,311,943
  5. Step 5: Solve for x
    x = 2,513,319,347,311,943/57,680,300.61
  6. Step 6: Final answer
    x = 43,573,270.61

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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.