Home / 296,699,491.31-445,043,917.08-121,784,543.51

Finding the Fourth Proportional to 296,699,491.31, 445,043,917.08 and 121,784,543.51

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Solution

The fourth proportional to 296,699,491.31, 445,043,917.08 and 121,784,543.51 is: 182,674,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,699,491.31 : 445,043,917.08 = 121,784,543.51 : x
  2. Step 2: Convert to fraction form
    296,699,491.31/445,043,917.08 = 121,784,543.51/x
  3. Step 3: Cross multiply
    296,699,491.31x = 445,043,917.08 × 121,784,543.51
  4. Step 4: Simplify right side
    296,699,491.31x = 54,199,470,281,264,872
  5. Step 5: Solve for x
    x = 54,199,470,281,264,872/296,699,491.31
  6. Step 6: Final answer
    x = 182,674,631.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.