Home / 89,354,123.47-133,954,421.37-31,054,226.86

Finding the Fourth Proportional to 89,354,123.47, 133,954,421.37 and 31,054,226.86

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Solution

The fourth proportional to 89,354,123.47, 133,954,421.37 and 31,054,226.86 is: 46,554,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,354,123.47 : 133,954,421.37 = 31,054,226.86 : x
  2. Step 2: Convert to fraction form
    89,354,123.47/133,954,421.37 = 31,054,226.86/x
  3. Step 3: Cross multiply
    89,354,123.47x = 133,954,421.37 × 31,054,226.86
  4. Step 4: Simplify right side
    89,354,123.47x = 4,159,850,990,124,012
  5. Step 5: Solve for x
    x = 4,159,850,990,124,012/89,354,123.47
  6. Step 6: Final answer
    x = 46,554,661.71

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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.