Home / 82,558,878.48-113,931,325.20-45,389,791.08

Finding the Fourth Proportional to 82,558,878.48, 113,931,325.20 and 45,389,791.08

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Solution

The fourth proportional to 82,558,878.48, 113,931,325.20 and 45,389,791.08 is: 62,637,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,558,878.48 : 113,931,325.20 = 45,389,791.08 : x
  2. Step 2: Convert to fraction form
    82,558,878.48/113,931,325.20 = 45,389,791.08/x
  3. Step 3: Cross multiply
    82,558,878.48x = 113,931,325.20 × 45,389,791.08
  4. Step 4: Simplify right side
    82,558,878.48x = 5,171,319,048,295,539
  5. Step 5: Solve for x
    x = 5,171,319,048,295,539/82,558,878.48
  6. Step 6: Final answer
    x = 62,637,951.77

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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.