Home / 130,219,758.96-195,074,253.54-75,517,421.94

Finding the Fourth Proportional to 130,219,758.96, 195,074,253.54 and 75,517,421.94

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Solution

The fourth proportional to 130,219,758.96, 195,074,253.54 and 75,517,421.94 is: 113,128,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,758.96 : 195,074,253.54 = 75,517,421.94 : x
  2. Step 2: Convert to fraction form
    130,219,758.96/195,074,253.54 = 75,517,421.94/x
  3. Step 3: Cross multiply
    130,219,758.96x = 195,074,253.54 × 75,517,421.94
  4. Step 4: Simplify right side
    130,219,758.96x = 14,731,504,714,210,718
  5. Step 5: Solve for x
    x = 14,731,504,714,210,718/130,219,758.96
  6. Step 6: Final answer
    x = 113,128,029.35

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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.