Home / 313,291,610.04-432,248,138.40-187,798,017.24

Finding the Fourth Proportional to 313,291,610.04, 432,248,138.40 and 187,798,017.24

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Solution

The fourth proportional to 313,291,610.04, 432,248,138.40 and 187,798,017.24 is: 259,104,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,291,610.04 : 432,248,138.40 = 187,798,017.24 : x
  2. Step 2: Convert to fraction form
    313,291,610.04/432,248,138.40 = 187,798,017.24/x
  3. Step 3: Cross multiply
    313,291,610.04x = 432,248,138.40 × 187,798,017.24
  4. Step 4: Simplify right side
    313,291,610.04x = 81,175,343,347,201,104
  5. Step 5: Solve for x
    x = 81,175,343,347,201,104/313,291,610.04
  6. Step 6: Final answer
    x = 259,104,746.97

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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.