Home / 145,442,222,451.42-200,848,885,858.71-137,518,621,322.46

Finding the Fourth Proportional to 145,442,222,451.42, 200,848,885,858.71 and 137,518,621,322.46

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Solution

The fourth proportional to 145,442,222,451.42, 200,848,885,858.71 and 137,518,621,322.46 is: 189,906,764,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,442,222,451.42 : 200,848,885,858.71 = 137,518,621,322.46 : x
  2. Step 2: Convert to fraction form
    145,442,222,451.42/200,848,885,858.71 = 137,518,621,322.46/x
  3. Step 3: Cross multiply
    145,442,222,451.42x = 200,848,885,858.71 × 137,518,621,322.46
  4. Step 4: Simplify right side
    145,442,222,451.42x = 27,620,461,877,441,928,888,320
  5. Step 5: Solve for x
    x = 27,620,461,877,441,928,888,320/145,442,222,451.42
  6. Step 6: Final answer
    x = 189,906,764,431.27

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1.5x scale

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.