Home / 160,048,355.35-220,863,851.31-90,432,241.57

Finding the Fourth Proportional to 160,048,355.35, 220,863,851.31 and 90,432,241.57

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Solution

The fourth proportional to 160,048,355.35, 220,863,851.31 and 90,432,241.57 is: 124,794,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,048,355.35 : 220,863,851.31 = 90,432,241.57 : x
  2. Step 2: Convert to fraction form
    160,048,355.35/220,863,851.31 = 90,432,241.57/x
  3. Step 3: Cross multiply
    160,048,355.35x = 220,863,851.31 × 90,432,241.57
  4. Step 4: Simplify right side
    160,048,355.35x = 19,973,213,155,746,480
  5. Step 5: Solve for x
    x = 19,973,213,155,746,480/160,048,355.35
  6. Step 6: Final answer
    x = 124,794,866.60

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1.5x scale

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.