Home / 252,668,312.07-378,945,171.86-114,402,642.86

Finding the Fourth Proportional to 252,668,312.07, 378,945,171.86 and 114,402,642.86

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Solution

The fourth proportional to 252,668,312.07, 378,945,171.86 and 114,402,642.86 is: 171,578,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668,312.07 : 378,945,171.86 = 114,402,642.86 : x
  2. Step 2: Convert to fraction form
    252,668,312.07/378,945,171.86 = 114,402,642.86/x
  3. Step 3: Cross multiply
    252,668,312.07x = 378,945,171.86 × 114,402,642.86
  4. Step 4: Simplify right side
    252,668,312.07x = 43,352,329,157,354,168
  5. Step 5: Solve for x
    x = 43,352,329,157,354,168/252,668,312.07
  6. Step 6: Final answer
    x = 171,578,021.80

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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.