Home / 220,516,395.65-304,303,303.64-120,042,743.84

Finding the Fourth Proportional to 220,516,395.65, 304,303,303.64 and 120,042,743.84

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Solution

The fourth proportional to 220,516,395.65, 304,303,303.64 and 120,042,743.84 is: 165,653,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,516,395.65 : 304,303,303.64 = 120,042,743.84 : x
  2. Step 2: Convert to fraction form
    220,516,395.65/304,303,303.64 = 120,042,743.84/x
  3. Step 3: Cross multiply
    220,516,395.65x = 304,303,303.64 × 120,042,743.84
  4. Step 4: Simplify right side
    220,516,395.65x = 36,529,403,526,400,528
  5. Step 5: Solve for x
    x = 36,529,403,526,400,528/220,516,395.65
  6. Step 6: Final answer
    x = 165,653,911.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.