Home / 208,524,888.72-287,766,330.48-115,714,032.48

Finding the Fourth Proportional to 208,524,888.72, 287,766,330.48 and 115,714,032.48

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Solution

The fourth proportional to 208,524,888.72, 287,766,330.48 and 115,714,032.48 is: 159,686,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,524,888.72 : 287,766,330.48 = 115,714,032.48 : x
  2. Step 2: Convert to fraction form
    208,524,888.72/287,766,330.48 = 115,714,032.48/x
  3. Step 3: Cross multiply
    208,524,888.72x = 287,766,330.48 × 115,714,032.48
  4. Step 4: Simplify right side
    208,524,888.72x = 33,298,602,511,813,136
  5. Step 5: Solve for x
    x = 33,298,602,511,813,136/208,524,888.72
  6. Step 6: Final answer
    x = 159,686,465.80

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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.