Home / 68,342,542.40-102,364,514.40-53,076,699.20

Finding the Fourth Proportional to 68,342,542.40, 102,364,514.40 and 53,076,699.20

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Solution

The fourth proportional to 68,342,542.40, 102,364,514.40 and 53,076,699.20 is: 79,499,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342,542.40 : 102,364,514.40 = 53,076,699.20 : x
  2. Step 2: Convert to fraction form
    68,342,542.40/102,364,514.40 = 53,076,699.20/x
  3. Step 3: Cross multiply
    68,342,542.40x = 102,364,514.40 × 53,076,699.20
  4. Step 4: Simplify right side
    68,342,542.40x = 5,433,170,539,562,869
  5. Step 5: Solve for x
    x = 5,433,170,539,562,869/68,342,542.40
  6. Step 6: Final answer
    x = 79,499,098.93

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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.