Home / 90,663,222.72-125,119,683.48-50,983,242.48

Finding the Fourth Proportional to 90,663,222.72, 125,119,683.48 and 50,983,242.48

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Solution

The fourth proportional to 90,663,222.72, 125,119,683.48 and 50,983,242.48 is: 70,359,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,663,222.72 : 125,119,683.48 = 50,983,242.48 : x
  2. Step 2: Convert to fraction form
    90,663,222.72/125,119,683.48 = 50,983,242.48/x
  3. Step 3: Cross multiply
    90,663,222.72x = 125,119,683.48 × 50,983,242.48
  4. Step 4: Simplify right side
    90,663,222.72x = 6,379,007,161,881,690
  5. Step 5: Solve for x
    x = 6,379,007,161,881,690/90,663,222.72
  6. Step 6: Final answer
    x = 70,359,369.22

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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.