Home / 76,816,042.48-105,981,937.63-47,015,623.72

Finding the Fourth Proportional to 76,816,042.48, 105,981,937.63 and 47,015,623.72

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Solution

The fourth proportional to 76,816,042.48, 105,981,937.63 and 47,015,623.72 is: 64,866,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816,042.48 : 105,981,937.63 = 47,015,623.72 : x
  2. Step 2: Convert to fraction form
    76,816,042.48/105,981,937.63 = 47,015,623.72/x
  3. Step 3: Cross multiply
    76,816,042.48x = 105,981,937.63 × 47,015,623.72
  4. Step 4: Simplify right side
    76,816,042.48x = 4,982,806,900,840,609
  5. Step 5: Solve for x
    x = 4,982,806,900,840,609/76,816,042.48
  6. Step 6: Final answer
    x = 64,866,748.41

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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.