Home / 220,504,510.72-304,296,225.28-122,742,461.44

Finding the Fourth Proportional to 220,504,510.72, 304,296,225.28 and 122,742,461.44

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Solution

The fourth proportional to 220,504,510.72, 304,296,225.28 and 122,742,461.44 is: 169,384,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,504,510.72 : 304,296,225.28 = 122,742,461.44 : x
  2. Step 2: Convert to fraction form
    220,504,510.72/304,296,225.28 = 122,742,461.44/x
  3. Step 3: Cross multiply
    220,504,510.72x = 304,296,225.28 × 122,742,461.44
  4. Step 4: Simplify right side
    220,504,510.72x = 37,350,067,697,767,952
  5. Step 5: Solve for x
    x = 37,350,067,697,767,952/220,504,510.72
  6. Step 6: Final answer
    x = 169,384,597.06

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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.