Home / 82,477,342.09-113,816,746.87-45,807,942.25

Finding the Fourth Proportional to 82,477,342.09, 113,816,746.87 and 45,807,942.25

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Solution

The fourth proportional to 82,477,342.09, 113,816,746.87 and 45,807,942.25 is: 63,213,857.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,477,342.09 : 113,816,746.87 = 45,807,942.25 : x
  2. Step 2: Convert to fraction form
    82,477,342.09/113,816,746.87 = 45,807,942.25/x
  3. Step 3: Cross multiply
    82,477,342.09x = 113,816,746.87 × 45,807,942.25
  4. Step 4: Simplify right side
    82,477,342.09x = 5,213,710,967,989,478
  5. Step 5: Solve for x
    x = 5,213,710,967,989,478/82,477,342.09
  6. Step 6: Final answer
    x = 63,213,857.72

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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.