Home / 79,225,039.78-109,350,003.45-48,302,259.46

Finding the Fourth Proportional to 79,225,039.78, 109,350,003.45 and 48,302,259.46

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Solution

The fourth proportional to 79,225,039.78, 109,350,003.45 and 48,302,259.46 is: 66,668,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,039.78 : 109,350,003.45 = 48,302,259.46 : x
  2. Step 2: Convert to fraction form
    79,225,039.78/109,350,003.45 = 48,302,259.46/x
  3. Step 3: Cross multiply
    79,225,039.78x = 109,350,003.45 × 48,302,259.46
  4. Step 4: Simplify right side
    79,225,039.78x = 5,281,852,238,593,795
  5. Step 5: Solve for x
    x = 5,281,852,238,593,795/79,225,039.78
  6. Step 6: Final answer
    x = 66,668,975.53

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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.