Home / 85,280,434.52-117,686,999.72-46,122,211.08

Finding the Fourth Proportional to 85,280,434.52, 117,686,999.72 and 46,122,211.08

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Solution

The fourth proportional to 85,280,434.52, 117,686,999.72 and 46,122,211.08 is: 63,648,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280,434.52 : 117,686,999.72 = 46,122,211.08 : x
  2. Step 2: Convert to fraction form
    85,280,434.52/117,686,999.72 = 46,122,211.08/x
  3. Step 3: Cross multiply
    85,280,434.52x = 117,686,999.72 × 46,122,211.08
  4. Step 4: Simplify right side
    85,280,434.52x = 5,427,984,642,457,741
  5. Step 5: Solve for x
    x = 5,427,984,642,457,741/85,280,434.52
  6. Step 6: Final answer
    x = 63,648,651.33

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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.