Home / 207,902,077.48-286,901,384.58-115,080,587.56

Finding the Fourth Proportional to 207,902,077.48, 286,901,384.58 and 115,080,587.56

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Solution

The fourth proportional to 207,902,077.48, 286,901,384.58 and 115,080,587.56 is: 158,809,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,902,077.48 : 286,901,384.58 = 115,080,587.56 : x
  2. Step 2: Convert to fraction form
    207,902,077.48/286,901,384.58 = 115,080,587.56/x
  3. Step 3: Cross multiply
    207,902,077.48x = 286,901,384.58 × 115,080,587.56
  4. Step 4: Simplify right side
    207,902,077.48x = 33,016,779,909,243,924
  5. Step 5: Solve for x
    x = 33,016,779,909,243,924/207,902,077.48
  6. Step 6: Final answer
    x = 158,809,283.24

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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.