Home / 208,769,210.86-288,101,501.85-115,958,354.62

Finding the Fourth Proportional to 208,769,210.86, 288,101,501.85 and 115,958,354.62

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Solution

The fourth proportional to 208,769,210.86, 288,101,501.85 and 115,958,354.62 is: 160,022,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,769,210.86 : 288,101,501.85 = 115,958,354.62 : x
  2. Step 2: Convert to fraction form
    208,769,210.86/288,101,501.85 = 115,958,354.62/x
  3. Step 3: Cross multiply
    208,769,210.86x = 288,101,501.85 × 115,958,354.62
  4. Step 4: Simplify right side
    208,769,210.86x = 33,407,776,118,076,892
  5. Step 5: Solve for x
    x = 33,407,776,118,076,892/208,769,210.86
  6. Step 6: Final answer
    x = 160,022,524.30

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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.