Home / 459,168,162.34-688,754,731.83-136,054,833.70

Finding the Fourth Proportional to 459,168,162.34, 688,754,731.83 and 136,054,833.70

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Solution

The fourth proportional to 459,168,162.34, 688,754,731.83 and 136,054,833.70 is: 204,082,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,168,162.34 : 688,754,731.83 = 136,054,833.70 : x
  2. Step 2: Convert to fraction form
    459,168,162.34/688,754,731.83 = 136,054,833.70/x
  3. Step 3: Cross multiply
    459,168,162.34x = 688,754,731.83 × 136,054,833.70
  4. Step 4: Simplify right side
    459,168,162.34x = 93,708,410,499,218,752
  5. Step 5: Solve for x
    x = 93,708,410,499,218,752/459,168,162.34
  6. Step 6: Final answer
    x = 204,082,987.86

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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.