Home / 70,578,851.20-105,967,809.60-43,704,995.20

Finding the Fourth Proportional to 70,578,851.20, 105,967,809.60 and 43,704,995.20

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Solution

The fourth proportional to 70,578,851.20, 105,967,809.60 and 43,704,995.20 is: 65,619,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,578,851.20 : 105,967,809.60 = 43,704,995.20 : x
  2. Step 2: Convert to fraction form
    70,578,851.20/105,967,809.60 = 43,704,995.20/x
  3. Step 3: Cross multiply
    70,578,851.20x = 105,967,809.60 × 43,704,995.20
  4. Step 4: Simplify right side
    70,578,851.20x = 4,631,322,609,922,514
  5. Step 5: Solve for x
    x = 4,631,322,609,922,514/70,578,851.20
  6. Step 6: Final answer
    x = 65,619,127.13

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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.