Home / 76,121,368.86-105,047,590.38-41,314,059.30

Finding the Fourth Proportional to 76,121,368.86, 105,047,590.38 and 41,314,059.30

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Solution

The fourth proportional to 76,121,368.86, 105,047,590.38 and 41,314,059.30 is: 57,013,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,368.86 : 105,047,590.38 = 41,314,059.30 : x
  2. Step 2: Convert to fraction form
    76,121,368.86/105,047,590.38 = 41,314,059.30/x
  3. Step 3: Cross multiply
    76,121,368.86x = 105,047,590.38 × 41,314,059.30
  4. Step 4: Simplify right side
    76,121,368.86x = 4,339,942,378,281,429
  5. Step 5: Solve for x
    x = 4,339,942,378,281,429/76,121,368.86
  6. Step 6: Final answer
    x = 57,013,456.84

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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.