Home / 76,121,421.90-105,047,664.12-41,314,112.84

Finding the Fourth Proportional to 76,121,421.90, 105,047,664.12 and 41,314,112.84

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Solution

The fourth proportional to 76,121,421.90, 105,047,664.12 and 41,314,112.84 is: 57,013,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,421.90 : 105,047,664.12 = 41,314,112.84 : x
  2. Step 2: Convert to fraction form
    76,121,421.90/105,047,664.12 = 41,314,112.84/x
  3. Step 3: Cross multiply
    76,121,421.90x = 105,047,664.12 × 41,314,112.84
  4. Step 4: Simplify right side
    76,121,421.90x = 4,339,951,049,032,100
  5. Step 5: Solve for x
    x = 4,339,951,049,032,100/76,121,421.90
  6. Step 6: Final answer
    x = 57,013,531.02

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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.