Home / 238,845,100.37-358,139,218.30-140,510,800.67

Finding the Fourth Proportional to 238,845,100.37, 358,139,218.30 and 140,510,800.67

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Solution

The fourth proportional to 238,845,100.37, 358,139,218.30 and 140,510,800.67 is: 210,690,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,845,100.37 : 358,139,218.30 = 140,510,800.67 : x
  2. Step 2: Convert to fraction form
    238,845,100.37/358,139,218.30 = 140,510,800.67/x
  3. Step 3: Cross multiply
    238,845,100.37x = 358,139,218.30 × 140,510,800.67
  4. Step 4: Simplify right side
    238,845,100.37x = 50,322,428,312,518,944
  5. Step 5: Solve for x
    x = 50,322,428,312,518,944/238,845,100.37
  6. Step 6: Final answer
    x = 210,690,645.26

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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.