Home / 208,354,704.84-287,534,771.94-114,272,597.32

Finding the Fourth Proportional to 208,354,704.84, 287,534,771.94 and 114,272,597.32

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Solution

The fourth proportional to 208,354,704.84, 287,534,771.94 and 114,272,597.32 is: 157,699,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,354,704.84 : 287,534,771.94 = 114,272,597.32 : x
  2. Step 2: Convert to fraction form
    208,354,704.84/287,534,771.94 = 114,272,597.32/x
  3. Step 3: Cross multiply
    208,354,704.84x = 287,534,771.94 × 114,272,597.32
  4. Step 4: Simplify right side
    208,354,704.84x = 32,857,345,209,397,652
  5. Step 5: Solve for x
    x = 32,857,345,209,397,652/208,354,704.84
  6. Step 6: Final answer
    x = 157,699,079.72

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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.