Home / 201,582,034.65-302,429,039.18-86,621,650.65

Finding the Fourth Proportional to 201,582,034.65, 302,429,039.18 and 86,621,650.65

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Solution

The fourth proportional to 201,582,034.65, 302,429,039.18 and 86,621,650.65 is: 129,956,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,034.65 : 302,429,039.18 = 86,621,650.65 : x
  2. Step 2: Convert to fraction form
    201,582,034.65/302,429,039.18 = 86,621,650.65/x
  3. Step 3: Cross multiply
    201,582,034.65x = 302,429,039.18 × 86,621,650.65
  4. Step 4: Simplify right side
    201,582,034.65x = 26,196,902,577,832,016
  5. Step 5: Solve for x
    x = 26,196,902,577,832,016/201,582,034.65
  6. Step 6: Final answer
    x = 129,956,534.19

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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.