Home / 58,077,125.80-87,115,688.70-40,693,100.20

Finding the Fourth Proportional to 58,077,125.80, 87,115,688.70 and 40,693,100.20

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Solution

The fourth proportional to 58,077,125.80, 87,115,688.70 and 40,693,100.20 is: 61,039,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,077,125.80 : 87,115,688.70 = 40,693,100.20 : x
  2. Step 2: Convert to fraction form
    58,077,125.80/87,115,688.70 = 40,693,100.20/x
  3. Step 3: Cross multiply
    58,077,125.80x = 87,115,688.70 × 40,693,100.20
  4. Step 4: Simplify right side
    58,077,125.80x = 3,545,007,449,261,108
  5. Step 5: Solve for x
    x = 3,545,007,449,261,108/58,077,125.80
  6. Step 6: Final answer
    x = 61,039,650.30

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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.