Home / 203,157,435.94-304,658,172.56-86,498,830.24

Finding the Fourth Proportional to 203,157,435.94, 304,658,172.56 and 86,498,830.24

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Solution

The fourth proportional to 203,157,435.94, 304,658,172.56 and 86,498,830.24 is: 129,715,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,157,435.94 : 304,658,172.56 = 86,498,830.24 : x
  2. Step 2: Convert to fraction form
    203,157,435.94/304,658,172.56 = 86,498,830.24/x
  3. Step 3: Cross multiply
    203,157,435.94x = 304,658,172.56 × 86,498,830.24
  4. Step 4: Simplify right side
    203,157,435.94x = 26,352,575,549,496,064
  5. Step 5: Solve for x
    x = 26,352,575,549,496,064/203,157,435.94
  6. Step 6: Final answer
    x = 129,715,043.05

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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.