Home / 76,728,586.20-105,884,209.98-41,920,527.48

Finding the Fourth Proportional to 76,728,586.20, 105,884,209.98 and 41,920,527.48

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Solution

The fourth proportional to 76,728,586.20, 105,884,209.98 and 41,920,527.48 is: 57,849,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728,586.20 : 105,884,209.98 = 41,920,527.48 : x
  2. Step 2: Convert to fraction form
    76,728,586.20/105,884,209.98 = 41,920,527.48/x
  3. Step 3: Cross multiply
    76,728,586.20x = 105,884,209.98 × 41,920,527.48
  4. Step 4: Simplify right side
    76,728,586.20x = 4,438,721,934,164,680
  5. Step 5: Solve for x
    x = 4,438,721,934,164,680/76,728,586.20
  6. Step 6: Final answer
    x = 57,849,651.01

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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.