Home / 189,730,329.68-284,612,299.32-53,416,894.16

Finding the Fourth Proportional to 189,730,329.68, 284,612,299.32 and 53,416,894.16

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Solution

The fourth proportional to 189,730,329.68, 284,612,299.32 and 53,416,894.16 is: 80,130,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,730,329.68 : 284,612,299.32 = 53,416,894.16 : x
  2. Step 2: Convert to fraction form
    189,730,329.68/284,612,299.32 = 53,416,894.16/x
  3. Step 3: Cross multiply
    189,730,329.68x = 284,612,299.32 × 53,416,894.16
  4. Step 4: Simplify right side
    189,730,329.68x = 15,203,105,069,410,678
  5. Step 5: Solve for x
    x = 15,203,105,069,410,678/189,730,329.68
  6. Step 6: Final answer
    x = 80,130,072.48

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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.