Home / 289,249,938.27-399,189,532.55-163,824,446.39

Finding the Fourth Proportional to 289,249,938.27, 399,189,532.55 and 163,824,446.39

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Solution

The fourth proportional to 289,249,938.27, 399,189,532.55 and 163,824,446.39 is: 226,091,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,249,938.27 : 399,189,532.55 = 163,824,446.39 : x
  2. Step 2: Convert to fraction form
    289,249,938.27/399,189,532.55 = 163,824,446.39/x
  3. Step 3: Cross multiply
    289,249,938.27x = 399,189,532.55 × 163,824,446.39
  4. Step 4: Simplify right side
    289,249,938.27x = 65,397,004,171,871,568
  5. Step 5: Solve for x
    x = 65,397,004,171,871,568/289,249,938.27
  6. Step 6: Final answer
    x = 226,091,678.92

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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.