Home / 116,091,239.52-160,212,539.20-66,539,867.18

Finding the Fourth Proportional to 116,091,239.52, 160,212,539.20 and 66,539,867.18

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Solution

The fourth proportional to 116,091,239.52, 160,212,539.20 and 66,539,867.18 is: 91,828,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,091,239.52 : 160,212,539.20 = 66,539,867.18 : x
  2. Step 2: Convert to fraction form
    116,091,239.52/160,212,539.20 = 66,539,867.18/x
  3. Step 3: Cross multiply
    116,091,239.52x = 160,212,539.20 × 66,539,867.18
  4. Step 4: Simplify right side
    116,091,239.52x = 10,660,521,078,938,542
  5. Step 5: Solve for x
    x = 10,660,521,078,938,542/116,091,239.52
  6. Step 6: Final answer
    x = 91,828,816.05

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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.