Home / 219,296,043.74-302,628,895.53-120,161,039.60

Finding the Fourth Proportional to 219,296,043.74, 302,628,895.53 and 120,161,039.60

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Solution

The fourth proportional to 219,296,043.74, 302,628,895.53 and 120,161,039.60 is: 165,822,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,296,043.74 : 302,628,895.53 = 120,161,039.60 : x
  2. Step 2: Convert to fraction form
    219,296,043.74/302,628,895.53 = 120,161,039.60/x
  3. Step 3: Cross multiply
    219,296,043.74x = 302,628,895.53 × 120,161,039.60
  4. Step 4: Simplify right side
    219,296,043.74x = 36,364,202,699,884,584
  5. Step 5: Solve for x
    x = 36,364,202,699,884,584/219,296,043.74
  6. Step 6: Final answer
    x = 165,822,429.26

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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.