Home / 78,674,924.63-117,984,043.43-33,240,262.07

Finding the Fourth Proportional to 78,674,924.63, 117,984,043.43 and 33,240,262.07

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Solution

The fourth proportional to 78,674,924.63, 117,984,043.43 and 33,240,262.07 is: 49,848,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,674,924.63 : 117,984,043.43 = 33,240,262.07 : x
  2. Step 2: Convert to fraction form
    78,674,924.63/117,984,043.43 = 33,240,262.07/x
  3. Step 3: Cross multiply
    78,674,924.63x = 117,984,043.43 × 33,240,262.07
  4. Step 4: Simplify right side
    78,674,924.63x = 3,921,820,523,944,871.50
  5. Step 5: Solve for x
    x = 3,921,820,523,944,871.50/78,674,924.63
  6. Step 6: Final answer
    x = 49,848,417.93

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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.