Home / 58,112,288.80-87,011,146.80-45,529,376.80

Finding the Fourth Proportional to 58,112,288.80, 87,011,146.80 and 45,529,376.80

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Solution

The fourth proportional to 58,112,288.80, 87,011,146.80 and 45,529,376.80 is: 68,170,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,112,288.80 : 87,011,146.80 = 45,529,376.80 : x
  2. Step 2: Convert to fraction form
    58,112,288.80/87,011,146.80 = 45,529,376.80/x
  3. Step 3: Cross multiply
    58,112,288.80x = 87,011,146.80 × 45,529,376.80
  4. Step 4: Simplify right side
    58,112,288.80x = 3,961,563,288,457,314
  5. Step 5: Solve for x
    x = 3,961,563,288,457,314/58,112,288.80
  6. Step 6: Final answer
    x = 68,170,835.64

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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.