Home / 189,926,732.69-284,838,843.95-67,088,879.03

Finding the Fourth Proportional to 189,926,732.69, 284,838,843.95 and 67,088,879.03

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Solution

The fourth proportional to 189,926,732.69, 284,838,843.95 and 67,088,879.03 is: 100,615,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,926,732.69 : 284,838,843.95 = 67,088,879.03 : x
  2. Step 2: Convert to fraction form
    189,926,732.69/284,838,843.95 = 67,088,879.03/x
  3. Step 3: Cross multiply
    189,926,732.69x = 284,838,843.95 × 67,088,879.03
  4. Step 4: Simplify right side
    189,926,732.69x = 19,109,518,745,686,416
  5. Step 5: Solve for x
    x = 19,109,518,745,686,416/189,926,732.69
  6. Step 6: Final answer
    x = 100,615,213.43

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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.