Home / 289,249,939.27-399,189,533.93-163,824,447.39

Finding the Fourth Proportional to 289,249,939.27, 399,189,533.93 and 163,824,447.39

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Solution

The fourth proportional to 289,249,939.27, 399,189,533.93 and 163,824,447.39 is: 226,091,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,249,939.27 : 399,189,533.93 = 163,824,447.39 : x
  2. Step 2: Convert to fraction form
    289,249,939.27/399,189,533.93 = 163,824,447.39/x
  3. Step 3: Cross multiply
    289,249,939.27x = 399,189,533.93 × 163,824,447.39
  4. Step 4: Simplify right side
    289,249,939.27x = 65,397,004,799,953,904
  5. Step 5: Solve for x
    x = 65,397,004,799,953,904/289,249,939.27
  6. Step 6: Final answer
    x = 226,091,680.31

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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.