Home / 107,803,145.40-161,704,718.10-73,365,768.60

Finding the Fourth Proportional to 107,803,145.40, 161,704,718.10 and 73,365,768.60

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Solution

The fourth proportional to 107,803,145.40, 161,704,718.10 and 73,365,768.60 is: 110,048,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803,145.40 : 161,704,718.10 = 73,365,768.60 : x
  2. Step 2: Convert to fraction form
    107,803,145.40/161,704,718.10 = 73,365,768.60/x
  3. Step 3: Cross multiply
    107,803,145.40x = 161,704,718.10 × 73,365,768.60
  4. Step 4: Simplify right side
    107,803,145.40x = 11,863,590,929,652,830
  5. Step 5: Solve for x
    x = 11,863,590,929,652,830/107,803,145.40
  6. Step 6: Final answer
    x = 110,048,652.90

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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.