Home / 57,398,289.42-79,160,908.25-48,500,988.40

Finding the Fourth Proportional to 57,398,289.42, 79,160,908.25 and 48,500,988.40

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Solution

The fourth proportional to 57,398,289.42, 79,160,908.25 and 48,500,988.40 is: 66,890,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398,289.42 : 79,160,908.25 = 48,500,988.40 : x
  2. Step 2: Convert to fraction form
    57,398,289.42/79,160,908.25 = 48,500,988.40/x
  3. Step 3: Cross multiply
    57,398,289.42x = 79,160,908.25 × 48,500,988.40
  4. Step 4: Simplify right side
    57,398,289.42x = 3,839,382,292,690,064.50
  5. Step 5: Solve for x
    x = 3,839,382,292,690,064.50/57,398,289.42
  6. Step 6: Final answer
    x = 66,890,186.65

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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.