Home / 242,410,953.89-334,528,138.01-136,565,639.21

Finding the Fourth Proportional to 242,410,953.89, 334,528,138.01 and 136,565,639.21

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Solution

The fourth proportional to 242,410,953.89, 334,528,138.01 and 136,565,639.21 is: 188,461,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,410,953.89 : 334,528,138.01 = 136,565,639.21 : x
  2. Step 2: Convert to fraction form
    242,410,953.89/334,528,138.01 = 136,565,639.21/x
  3. Step 3: Cross multiply
    242,410,953.89x = 334,528,138.01 × 136,565,639.21
  4. Step 4: Simplify right side
    242,410,953.89x = 45,685,049,002,244,480
  5. Step 5: Solve for x
    x = 45,685,049,002,244,480/242,410,953.89
  6. Step 6: Final answer
    x = 188,461,157.67

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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.