Home / 371,281,924.21-556,922,989.51-138,082,166.86

Finding the Fourth Proportional to 371,281,924.21, 556,922,989.51 and 138,082,166.86

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Solution

The fourth proportional to 371,281,924.21, 556,922,989.51 and 138,082,166.86 is: 207,123,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,281,924.21 : 556,922,989.51 = 138,082,166.86 : x
  2. Step 2: Convert to fraction form
    371,281,924.21/556,922,989.51 = 138,082,166.86/x
  3. Step 3: Cross multiply
    371,281,924.21x = 556,922,989.51 × 138,082,166.86
  4. Step 4: Simplify right side
    371,281,924.21x = 76,901,133,165,776,752
  5. Step 5: Solve for x
    x = 76,901,133,165,776,752/371,281,924.21
  6. Step 6: Final answer
    x = 207,123,288.67

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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.