Home / 76,767,191.86-105,938,571.18-43,727,428.48

Finding the Fourth Proportional to 76,767,191.86, 105,938,571.18 and 43,727,428.48

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Solution

The fourth proportional to 76,767,191.86, 105,938,571.18 and 43,727,428.48 is: 60,343,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,191.86 : 105,938,571.18 = 43,727,428.48 : x
  2. Step 2: Convert to fraction form
    76,767,191.86/105,938,571.18 = 43,727,428.48/x
  3. Step 3: Cross multiply
    76,767,191.86x = 105,938,571.18 × 43,727,428.48
  4. Step 4: Simplify right side
    76,767,191.86x = 4,632,421,294,546,839
  5. Step 5: Solve for x
    x = 4,632,421,294,546,839/76,767,191.86
  6. Step 6: Final answer
    x = 60,343,763.82

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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.