Home / 214,990,804.45-322,486,206.68-117,908,999.65

Finding the Fourth Proportional to 214,990,804.45, 322,486,206.68 and 117,908,999.65

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Solution

The fourth proportional to 214,990,804.45, 322,486,206.68 and 117,908,999.65 is: 176,863,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990,804.45 : 322,486,206.68 = 117,908,999.65 : x
  2. Step 2: Convert to fraction form
    214,990,804.45/322,486,206.68 = 117,908,999.65/x
  3. Step 3: Cross multiply
    214,990,804.45x = 322,486,206.68 × 117,908,999.65
  4. Step 4: Simplify right side
    214,990,804.45x = 38,024,026,030,561,952
  5. Step 5: Solve for x
    x = 38,024,026,030,561,952/214,990,804.45
  6. Step 6: Final answer
    x = 176,863,499.48

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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.