Home / 208,047,077.27-287,101,448.12-115,225,592.21

Finding the Fourth Proportional to 208,047,077.27, 287,101,448.12 and 115,225,592.21

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Solution

The fourth proportional to 208,047,077.27, 287,101,448.12 and 115,225,592.21 is: 159,009,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,047,077.27 : 287,101,448.12 = 115,225,592.21 : x
  2. Step 2: Convert to fraction form
    208,047,077.27/287,101,448.12 = 115,225,592.21/x
  3. Step 3: Cross multiply
    208,047,077.27x = 287,101,448.12 × 115,225,592.21
  4. Step 4: Simplify right side
    208,047,077.27x = 33,081,434,383,904,776
  5. Step 5: Solve for x
    x = 33,081,434,383,904,776/208,047,077.27
  6. Step 6: Final answer
    x = 159,009,368.54

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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.