Home / 207,328,657.49-286,111,663.73-113,242,784.86

Finding the Fourth Proportional to 207,328,657.49, 286,111,663.73 and 113,242,784.86

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Solution

The fourth proportional to 207,328,657.49, 286,111,663.73 and 113,242,784.86 is: 156,274,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328,657.49 : 286,111,663.73 = 113,242,784.86 : x
  2. Step 2: Convert to fraction form
    207,328,657.49/286,111,663.73 = 113,242,784.86/x
  3. Step 3: Cross multiply
    207,328,657.49x = 286,111,663.73 × 113,242,784.86
  4. Step 4: Simplify right side
    207,328,657.49x = 32,400,081,580,320,056
  5. Step 5: Solve for x
    x = 32,400,081,580,320,056/207,328,657.49
  6. Step 6: Final answer
    x = 156,274,014.28

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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.