Home / 170,421,705.87-255,069,304.03-155,107,435.60

Finding the Fourth Proportional to 170,421,705.87, 255,069,304.03 and 155,107,435.60

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Solution

The fourth proportional to 170,421,705.87, 255,069,304.03 and 155,107,435.60 is: 232,148,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,421,705.87 : 255,069,304.03 = 155,107,435.60 : x
  2. Step 2: Convert to fraction form
    170,421,705.87/255,069,304.03 = 155,107,435.60/x
  3. Step 3: Cross multiply
    170,421,705.87x = 255,069,304.03 × 155,107,435.60
  4. Step 4: Simplify right side
    170,421,705.87x = 39,563,145,648,370,048
  5. Step 5: Solve for x
    x = 39,563,145,648,370,048/170,421,705.87
  6. Step 6: Final answer
    x = 232,148,513.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.