Home / 77,962,801.17-107,588,667.75-43,155,491.61

Finding the Fourth Proportional to 77,962,801.17, 107,588,667.75 and 43,155,491.61

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Solution

The fourth proportional to 77,962,801.17, 107,588,667.75 and 43,155,491.61 is: 59,554,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962,801.17 : 107,588,667.75 = 43,155,491.61 : x
  2. Step 2: Convert to fraction form
    77,962,801.17/107,588,667.75 = 43,155,491.61/x
  3. Step 3: Cross multiply
    77,962,801.17x = 107,588,667.75 × 43,155,491.61
  4. Step 4: Simplify right side
    77,962,801.17x = 4,643,041,848,416,203
  5. Step 5: Solve for x
    x = 4,643,041,848,416,203/77,962,801.17
  6. Step 6: Final answer
    x = 59,554,579.60

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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.