Home / 116,218,859.20-160,370,157.12-71,557,739.20

Finding the Fourth Proportional to 116,218,859.20, 160,370,157.12 and 71,557,739.20

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Solution

The fourth proportional to 116,218,859.20, 160,370,157.12 and 71,557,739.20 is: 98,742,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,218,859.20 : 160,370,157.12 = 71,557,739.20 : x
  2. Step 2: Convert to fraction form
    116,218,859.20/160,370,157.12 = 71,557,739.20/x
  3. Step 3: Cross multiply
    116,218,859.20x = 160,370,157.12 × 71,557,739.20
  4. Step 4: Simplify right side
    116,218,859.20x = 11,475,725,878,655,984
  5. Step 5: Solve for x
    x = 11,475,725,878,655,984/116,218,859.20
  6. Step 6: Final answer
    x = 98,742,372.43

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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.