Home / 155,992,012.52-215,493,201.90-124,588,830.11

Finding the Fourth Proportional to 155,992,012.52, 215,493,201.90 and 124,588,830.11

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Solution

The fourth proportional to 155,992,012.52, 215,493,201.90 and 124,588,830.11 is: 172,111,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,992,012.52 : 215,493,201.90 = 124,588,830.11 : x
  2. Step 2: Convert to fraction form
    155,992,012.52/215,493,201.90 = 124,588,830.11/x
  3. Step 3: Cross multiply
    155,992,012.52x = 215,493,201.90 × 124,588,830.11
  4. Step 4: Simplify right side
    155,992,012.52x = 26,848,045,920,301,564
  5. Step 5: Solve for x
    x = 26,848,045,920,301,564/155,992,012.52
  6. Step 6: Final answer
    x = 172,111,670.90

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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.