Home / 68,368,779.72-94,333,833.36-40,477,640.68

Finding the Fourth Proportional to 68,368,779.72, 94,333,833.36 and 40,477,640.68

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Solution

The fourth proportional to 68,368,779.72, 94,333,833.36 and 40,477,640.68 is: 55,850,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368,779.72 : 94,333,833.36 = 40,477,640.68 : x
  2. Step 2: Convert to fraction form
    68,368,779.72/94,333,833.36 = 40,477,640.68/x
  3. Step 3: Cross multiply
    68,368,779.72x = 94,333,833.36 × 40,477,640.68
  4. Step 4: Simplify right side
    68,368,779.72x = 3,818,411,010,713,077
  5. Step 5: Solve for x
    x = 3,818,411,010,713,077/68,368,779.72
  6. Step 6: Final answer
    x = 55,850,214.47

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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.