Home / 82,177,709.63-113,408,804.09-45,508,280.63

Finding the Fourth Proportional to 82,177,709.63, 113,408,804.09 and 45,508,280.63

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Solution

The fourth proportional to 82,177,709.63, 113,408,804.09 and 45,508,280.63 is: 62,803,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177,709.63 : 113,408,804.09 = 45,508,280.63 : x
  2. Step 2: Convert to fraction form
    82,177,709.63/113,408,804.09 = 45,508,280.63/x
  3. Step 3: Cross multiply
    82,177,709.63x = 113,408,804.09 × 45,508,280.63
  4. Step 4: Simplify right side
    82,177,709.63x = 5,161,039,681,987,139
  5. Step 5: Solve for x
    x = 5,161,039,681,987,139/82,177,709.63
  6. Step 6: Final answer
    x = 62,803,401.38

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Double scale
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1.5x scale

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.