Home / 145,442,222,452.42-200,848,885,860.09-137,518,621,323.46

Finding the Fourth Proportional to 145,442,222,452.42, 200,848,885,860.09 and 137,518,621,323.46

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Solution

The fourth proportional to 145,442,222,452.42, 200,848,885,860.09 and 137,518,621,323.46 is: 189,906,764,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,442,222,452.42 : 200,848,885,860.09 = 137,518,621,323.46 : x
  2. Step 2: Convert to fraction form
    145,442,222,452.42/200,848,885,860.09 = 137,518,621,323.46/x
  3. Step 3: Cross multiply
    145,442,222,452.42x = 200,848,885,860.09 × 137,518,621,323.46
  4. Step 4: Simplify right side
    145,442,222,452.42x = 27,620,461,877,832,552,808,448
  5. Step 5: Solve for x
    x = 27,620,461,877,832,552,808,448/145,442,222,452.42
  6. Step 6: Final answer
    x = 189,906,764,432.65

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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.