Home / 145,158,138.90-218,061,611.55-121,270,266.90

Finding the Fourth Proportional to 145,158,138.90, 218,061,611.55 and 121,270,266.90

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Solution

The fourth proportional to 145,158,138.90, 218,061,611.55 and 121,270,266.90 is: 182,176,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,138.90 : 218,061,611.55 = 121,270,266.90 : x
  2. Step 2: Convert to fraction form
    145,158,138.90/218,061,611.55 = 121,270,266.90/x
  3. Step 3: Cross multiply
    145,158,138.90x = 218,061,611.55 × 121,270,266.90
  4. Step 4: Simplify right side
    145,158,138.90x = 26,444,389,833,312,624
  5. Step 5: Solve for x
    x = 26,444,389,833,312,624/145,158,138.90
  6. Step 6: Final answer
    x = 182,176,418.31

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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.