Home / 145,158,148.40-218,061,625.80-121,270,276.40

Finding the Fourth Proportional to 145,158,148.40, 218,061,625.80 and 121,270,276.40

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Solution

The fourth proportional to 145,158,148.40, 218,061,625.80 and 121,270,276.40 is: 182,176,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,148.40 : 218,061,625.80 = 121,270,276.40 : x
  2. Step 2: Convert to fraction form
    145,158,148.40/218,061,625.80 = 121,270,276.40/x
  3. Step 3: Cross multiply
    145,158,148.40x = 218,061,625.80 × 121,270,276.40
  4. Step 4: Simplify right side
    145,158,148.40x = 26,444,393,632,999,372
  5. Step 5: Solve for x
    x = 26,444,393,632,999,372/145,158,148.40
  6. Step 6: Final answer
    x = 182,176,432.56

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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.