Home / 103,963,591.65-143,464,072.48-56,911,562.81

Finding the Fourth Proportional to 103,963,591.65, 143,464,072.48 and 56,911,562.81

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Solution

The fourth proportional to 103,963,591.65, 143,464,072.48 and 56,911,562.81 is: 78,534,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,591.65 : 143,464,072.48 = 56,911,562.81 : x
  2. Step 2: Convert to fraction form
    103,963,591.65/143,464,072.48 = 56,911,562.81/x
  3. Step 3: Cross multiply
    103,963,591.65x = 143,464,072.48 × 56,911,562.81
  4. Step 4: Simplify right side
    103,963,591.65x = 8,164,764,571,206,591
  5. Step 5: Solve for x
    x = 8,164,764,571,206,591/103,963,591.65
  6. Step 6: Final answer
    x = 78,534,845.15

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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.