Home / 261,804,638.63-361,293,185.16-144,334,172.36

Finding the Fourth Proportional to 261,804,638.63, 361,293,185.16 and 144,334,172.36

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Solution

The fourth proportional to 261,804,638.63, 361,293,185.16 and 144,334,172.36 is: 199,182,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,804,638.63 : 361,293,185.16 = 144,334,172.36 : x
  2. Step 2: Convert to fraction form
    261,804,638.63/361,293,185.16 = 144,334,172.36/x
  3. Step 3: Cross multiply
    261,804,638.63x = 361,293,185.16 × 144,334,172.36
  4. Step 4: Simplify right side
    261,804,638.63x = 52,146,952,857,570,368
  5. Step 5: Solve for x
    x = 52,146,952,857,570,368/261,804,638.63
  6. Step 6: Final answer
    x = 199,182,692.60

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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.