Home / 418,246,544.45-627,236,714.81-138,075,292.91

Finding the Fourth Proportional to 418,246,544.45, 627,236,714.81 and 138,075,292.91

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Solution

The fourth proportional to 418,246,544.45, 627,236,714.81 and 138,075,292.91 is: 207,068,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,246,544.45 : 627,236,714.81 = 138,075,292.91 : x
  2. Step 2: Convert to fraction form
    418,246,544.45/627,236,714.81 = 138,075,292.91/x
  3. Step 3: Cross multiply
    418,246,544.45x = 627,236,714.81 × 138,075,292.91
  4. Step 4: Simplify right side
    418,246,544.45x = 86,605,893,117,470,320
  5. Step 5: Solve for x
    x = 86,605,893,117,470,320/418,246,544.45
  6. Step 6: Final answer
    x = 207,068,998.58

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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.