Home / 219,434,896.80-302,833,762.83-121,649,752.80

Finding the Fourth Proportional to 219,434,896.80, 302,833,762.83 and 121,649,752.80

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Solution

The fourth proportional to 219,434,896.80, 302,833,762.83 and 121,649,752.80 is: 167,884,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,434,896.80 : 302,833,762.83 = 121,649,752.80 : x
  2. Step 2: Convert to fraction form
    219,434,896.80/302,833,762.83 = 121,649,752.80/x
  3. Step 3: Cross multiply
    219,434,896.80x = 302,833,762.83 × 121,649,752.80
  4. Step 4: Simplify right side
    219,434,896.80x = 36,839,652,387,763,328
  5. Step 5: Solve for x
    x = 36,839,652,387,763,328/219,434,896.80
  6. Step 6: Final answer
    x = 167,884,201.31

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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.