Home / 82,368,426.40-113,682,072.72-45,710,772.64

Finding the Fourth Proportional to 82,368,426.40, 113,682,072.72 and 45,710,772.64

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Solution

The fourth proportional to 82,368,426.40, 113,682,072.72 and 45,710,772.64 is: 63,088,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368,426.40 : 113,682,072.72 = 45,710,772.64 : x
  2. Step 2: Convert to fraction form
    82,368,426.40/113,682,072.72 = 45,710,772.64/x
  3. Step 3: Cross multiply
    82,368,426.40x = 113,682,072.72 × 45,710,772.64
  4. Step 4: Simplify right side
    82,368,426.40x = 5,196,495,379,347,866
  5. Step 5: Solve for x
    x = 5,196,495,379,347,866/82,368,426.40
  6. Step 6: Final answer
    x = 63,088,438.21

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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.