Home / 76,615,614.72-105,731,792.16-41,810,548.32

Finding the Fourth Proportional to 76,615,614.72, 105,731,792.16 and 41,810,548.32

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Solution

The fourth proportional to 76,615,614.72, 105,731,792.16 and 41,810,548.32 is: 57,699,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,615,614.72 : 105,731,792.16 = 41,810,548.32 : x
  2. Step 2: Convert to fraction form
    76,615,614.72/105,731,792.16 = 41,810,548.32/x
  3. Step 3: Cross multiply
    76,615,614.72x = 105,731,792.16 × 41,810,548.32
  4. Step 4: Simplify right side
    76,615,614.72x = 4,420,704,205,065,877
  5. Step 5: Solve for x
    x = 4,420,704,205,065,877/76,615,614.72
  6. Step 6: Final answer
    x = 57,699,781.19

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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.