Home / 85,275,122.98-117,680,024.33-46,116,899.72

Finding the Fourth Proportional to 85,275,122.98, 117,680,024.33 and 46,116,899.72

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Solution

The fourth proportional to 85,275,122.98, 117,680,024.33 and 46,116,899.72 is: 63,641,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,275,122.98 : 117,680,024.33 = 46,116,899.72 : x
  2. Step 2: Convert to fraction form
    85,275,122.98/117,680,024.33 = 46,116,899.72/x
  3. Step 3: Cross multiply
    85,275,122.98x = 117,680,024.33 × 46,116,899.72
  4. Step 4: Simplify right side
    85,275,122.98x = 5,427,037,881,790,613
  5. Step 5: Solve for x
    x = 5,427,037,881,790,613/85,275,122.98
  6. Step 6: Final answer
    x = 63,641,513.40

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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.