Home / 103,732,043.72-143,150,661.06-56,690,052.44

Finding the Fourth Proportional to 103,732,043.72, 143,150,661.06 and 56,690,052.44

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Solution

The fourth proportional to 103,732,043.72, 143,150,661.06 and 56,690,052.44 is: 78,232,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732,043.72 : 143,150,661.06 = 56,690,052.44 : x
  2. Step 2: Convert to fraction form
    103,732,043.72/143,150,661.06 = 56,690,052.44/x
  3. Step 3: Cross multiply
    103,732,043.72x = 143,150,661.06 × 56,690,052.44
  4. Step 4: Simplify right side
    103,732,043.72x = 8,115,218,482,312,066
  5. Step 5: Solve for x
    x = 8,115,218,482,312,066/103,732,043.72
  6. Step 6: Final answer
    x = 78,232,513.23

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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.