Home / 142,117,453.37-213,196,515.32-43,757,482.32

Finding the Fourth Proportional to 142,117,453.37, 213,196,515.32 and 43,757,482.32

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Solution

The fourth proportional to 142,117,453.37, 213,196,515.32 and 43,757,482.32 is: 65,642,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,453.37 : 213,196,515.32 = 43,757,482.32 : x
  2. Step 2: Convert to fraction form
    142,117,453.37/213,196,515.32 = 43,757,482.32/x
  3. Step 3: Cross multiply
    142,117,453.37x = 213,196,515.32 × 43,757,482.32
  4. Step 4: Simplify right side
    142,117,453.37x = 9,328,942,749,909,902
  5. Step 5: Solve for x
    x = 9,328,942,749,909,902/142,117,453.37
  6. Step 6: Final answer
    x = 65,642,484.64

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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.