Home / 78,391,354.10-117,579,427.67-23,804,411.83

Finding the Fourth Proportional to 78,391,354.10, 117,579,427.67 and 23,804,411.83

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Solution

The fourth proportional to 78,391,354.10, 117,579,427.67 and 23,804,411.83 is: 35,704,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391,354.10 : 117,579,427.67 = 23,804,411.83 : x
  2. Step 2: Convert to fraction form
    78,391,354.10/117,579,427.67 = 23,804,411.83/x
  3. Step 3: Cross multiply
    78,391,354.10x = 117,579,427.67 × 23,804,411.83
  4. Step 4: Simplify right side
    78,391,354.10x = 2,798,909,118,757,940
  5. Step 5: Solve for x
    x = 2,798,909,118,757,940/78,391,354.10
  6. Step 6: Final answer
    x = 35,704,308.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.