Home / 208,851,677.19-288,217,608.63-114,765,848.47

Finding the Fourth Proportional to 208,851,677.19, 288,217,608.63 and 114,765,848.47

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Solution

The fourth proportional to 208,851,677.19, 288,217,608.63 and 114,765,848.47 is: 158,378,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851,677.19 : 288,217,608.63 = 114,765,848.47 : x
  2. Step 2: Convert to fraction form
    208,851,677.19/288,217,608.63 = 114,765,848.47/x
  3. Step 3: Cross multiply
    208,851,677.19x = 288,217,608.63 × 114,765,848.47
  4. Step 4: Simplify right side
    208,851,677.19x = 33,077,538,398,416,344
  5. Step 5: Solve for x
    x = 33,077,538,398,416,344/208,851,677.19
  6. Step 6: Final answer
    x = 158,378,131.52

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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.