Home / 142,918,075.64-197,227,041.66-80,185,513.64

Finding the Fourth Proportional to 142,918,075.64, 197,227,041.66 and 80,185,513.64

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Solution

The fourth proportional to 142,918,075.64, 197,227,041.66 and 80,185,513.64 is: 110,656,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,918,075.64 : 197,227,041.66 = 80,185,513.64 : x
  2. Step 2: Convert to fraction form
    142,918,075.64/197,227,041.66 = 80,185,513.64/x
  3. Step 3: Cross multiply
    142,918,075.64x = 197,227,041.66 × 80,185,513.64
  4. Step 4: Simplify right side
    142,918,075.64x = 15,814,751,639,204,778
  5. Step 5: Solve for x
    x = 15,814,751,639,204,778/142,918,075.64
  6. Step 6: Final answer
    x = 110,656,063.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.