Home / 306,635,509.08-459,937,976.49-112,531,653.86

Finding the Fourth Proportional to 306,635,509.08, 459,937,976.49 and 112,531,653.86

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Solution

The fourth proportional to 306,635,509.08, 459,937,976.49 and 112,531,653.86 is: 168,791,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,635,509.08 : 459,937,976.49 = 112,531,653.86 : x
  2. Step 2: Convert to fraction form
    306,635,509.08/459,937,976.49 = 112,531,653.86/x
  3. Step 3: Cross multiply
    306,635,509.08x = 459,937,976.49 × 112,531,653.86
  4. Step 4: Simplify right side
    306,635,509.08x = 51,757,581,165,141,808
  5. Step 5: Solve for x
    x = 51,757,581,165,141,808/306,635,509.08
  6. Step 6: Final answer
    x = 168,791,870.58

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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.