Home / 260,170,809.84-359,048,871.72-142,707,070.08

Finding the Fourth Proportional to 260,170,809.84, 359,048,871.72 and 142,707,070.08

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Solution

The fourth proportional to 260,170,809.84, 359,048,871.72 and 142,707,070.08 is: 196,942,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,170,809.84 : 359,048,871.72 = 142,707,070.08 : x
  2. Step 2: Convert to fraction form
    260,170,809.84/359,048,871.72 = 142,707,070.08/x
  3. Step 3: Cross multiply
    260,170,809.84x = 359,048,871.72 × 142,707,070.08
  4. Step 4: Simplify right side
    260,170,809.84x = 51,238,812,498,690,976
  5. Step 5: Solve for x
    x = 51,238,812,498,690,976/260,170,809.84
  6. Step 6: Final answer
    x = 196,942,971.93

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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.