Home / 58,112,276.80-87,011,128.80-45,529,364.80

Finding the Fourth Proportional to 58,112,276.80, 87,011,128.80 and 45,529,364.80

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Solution

The fourth proportional to 58,112,276.80, 87,011,128.80 and 45,529,364.80 is: 68,170,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,112,276.80 : 87,011,128.80 = 45,529,364.80 : x
  2. Step 2: Convert to fraction form
    58,112,276.80/87,011,128.80 = 45,529,364.80/x
  3. Step 3: Cross multiply
    58,112,276.80x = 87,011,128.80 × 45,529,364.80
  4. Step 4: Simplify right side
    58,112,276.80x = 3,961,561,424,794,986
  5. Step 5: Solve for x
    x = 3,961,561,424,794,986/58,112,276.80
  6. Step 6: Final answer
    x = 68,170,817.65

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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.