Home / 188,070,907.04-282,128,796.48-90,956,830.76

Finding the Fourth Proportional to 188,070,907.04, 282,128,796.48 and 90,956,830.76

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Solution

The fourth proportional to 188,070,907.04, 282,128,796.48 and 90,956,830.76 is: 136,446,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,070,907.04 : 282,128,796.48 = 90,956,830.76 : x
  2. Step 2: Convert to fraction form
    188,070,907.04/282,128,796.48 = 90,956,830.76/x
  3. Step 3: Cross multiply
    188,070,907.04x = 282,128,796.48 × 90,956,830.76
  4. Step 4: Simplify right side
    188,070,907.04x = 25,661,541,193,953,848
  5. Step 5: Solve for x
    x = 25,661,541,193,953,848/188,070,907.04
  6. Step 6: Final answer
    x = 136,446,096.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.