Home / 31,532,709.60-47,299,064.40-31,320,133.20

Finding the Fourth Proportional to 31,532,709.60, 47,299,064.40 and 31,320,133.20

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Solution

The fourth proportional to 31,532,709.60, 47,299,064.40 and 31,320,133.20 is: 46,980,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532,709.60 : 47,299,064.40 = 31,320,133.20 : x
  2. Step 2: Convert to fraction form
    31,532,709.60/47,299,064.40 = 31,320,133.20/x
  3. Step 3: Cross multiply
    31,532,709.60x = 47,299,064.40 × 31,320,133.20
  4. Step 4: Simplify right side
    31,532,709.60x = 1,481,412,997,243,378
  5. Step 5: Solve for x
    x = 1,481,412,997,243,378/31,532,709.60
  6. Step 6: Final answer
    x = 46,980,199.80

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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.