Home / 301,128,258.60-451,713,977.64-126,075,136.14

Finding the Fourth Proportional to 301,128,258.60, 451,713,977.64 and 126,075,136.14

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Solution

The fourth proportional to 301,128,258.60, 451,713,977.64 and 126,075,136.14 is: 189,121,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128,258.60 : 451,713,977.64 = 126,075,136.14 : x
  2. Step 2: Convert to fraction form
    301,128,258.60/451,713,977.64 = 126,075,136.14/x
  3. Step 3: Cross multiply
    301,128,258.60x = 451,713,977.64 × 126,075,136.14
  4. Step 4: Simplify right side
    301,128,258.60x = 56,949,901,227,303,912
  5. Step 5: Solve for x
    x = 56,949,901,227,303,912/301,128,258.60
  6. Step 6: Final answer
    x = 189,121,743.31

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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.