Home / 292,261,875.45-403,318,175.04-158,296,459.12

Finding the Fourth Proportional to 292,261,875.45, 403,318,175.04 and 158,296,459.12

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Solution

The fourth proportional to 292,261,875.45, 403,318,175.04 and 158,296,459.12 is: 218,447,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,261,875.45 : 403,318,175.04 = 158,296,459.12 : x
  2. Step 2: Convert to fraction form
    292,261,875.45/403,318,175.04 = 158,296,459.12/x
  3. Step 3: Cross multiply
    292,261,875.45x = 403,318,175.04 × 158,296,459.12
  4. Step 4: Simplify right side
    292,261,875.45x = 63,843,839,008,076,520
  5. Step 5: Solve for x
    x = 63,843,839,008,076,520/292,261,875.45
  6. Step 6: Final answer
    x = 218,447,373.30

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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.