Home / 177,039,009.70-265,558,514.55-86,339,745.70

Finding the Fourth Proportional to 177,039,009.70, 265,558,514.55 and 86,339,745.70

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Solution

The fourth proportional to 177,039,009.70, 265,558,514.55 and 86,339,745.70 is: 129,509,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,039,009.70 : 265,558,514.55 = 86,339,745.70 : x
  2. Step 2: Convert to fraction form
    177,039,009.70/265,558,514.55 = 86,339,745.70/x
  3. Step 3: Cross multiply
    177,039,009.70x = 265,558,514.55 × 86,339,745.70
  4. Step 4: Simplify right side
    177,039,009.70x = 22,928,254,614,716,752
  5. Step 5: Solve for x
    x = 22,928,254,614,716,752/177,039,009.70
  6. Step 6: Final answer
    x = 129,509,618.55

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1.5x scale

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.