Home / 154,524,674,374.40-231,787,011,561.60-112,403,936,172.80

Finding the Fourth Proportional to 154,524,674,374.40, 231,787,011,561.60 and 112,403,936,172.80

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Solution

The fourth proportional to 154,524,674,374.40, 231,787,011,561.60 and 112,403,936,172.80 is: 168,605,904,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,674,374.40 : 231,787,011,561.60 = 112,403,936,172.80 : x
  2. Step 2: Convert to fraction form
    154,524,674,374.40/231,787,011,561.60 = 112,403,936,172.80/x
  3. Step 3: Cross multiply
    154,524,674,374.40x = 231,787,011,561.60 × 112,403,936,172.80
  4. Step 4: Simplify right side
    154,524,674,374.40x = 26,053,772,453,254,143,148,032
  5. Step 5: Solve for x
    x = 26,053,772,453,254,143,148,032/154,524,674,374.40
  6. Step 6: Final answer
    x = 168,605,904,259.20

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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.