Home / 124,262,820.24-171,444,685.26-72,041,431.94

Finding the Fourth Proportional to 124,262,820.24, 171,444,685.26 and 72,041,431.94

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Solution

The fourth proportional to 124,262,820.24, 171,444,685.26 and 72,041,431.94 is: 99,395,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,262,820.24 : 171,444,685.26 = 72,041,431.94 : x
  2. Step 2: Convert to fraction form
    124,262,820.24/171,444,685.26 = 72,041,431.94/x
  3. Step 3: Cross multiply
    124,262,820.24x = 171,444,685.26 × 72,041,431.94
  4. Step 4: Simplify right side
    124,262,820.24x = 12,351,120,624,633,010
  5. Step 5: Solve for x
    x = 12,351,120,624,633,010/124,262,820.24
  6. Step 6: Final answer
    x = 99,395,141.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.