Home / 128,351,153.99-191,447,602.13-116,568,173.27

Finding the Fourth Proportional to 128,351,153.99, 191,447,602.13 and 116,568,173.27

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Solution

The fourth proportional to 128,351,153.99, 191,447,602.13 and 116,568,173.27 is: 173,872,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,351,153.99 : 191,447,602.13 = 116,568,173.27 : x
  2. Step 2: Convert to fraction form
    128,351,153.99/191,447,602.13 = 116,568,173.27/x
  3. Step 3: Cross multiply
    128,351,153.99x = 191,447,602.13 × 116,568,173.27
  4. Step 4: Simplify right side
    128,351,153.99x = 22,316,697,256,633,020
  5. Step 5: Solve for x
    x = 22,316,697,256,633,020/128,351,153.99
  6. Step 6: Final answer
    x = 173,872,197.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.