Home / 160,563,291.40-221,570,243.94-90,947,276.20

Finding the Fourth Proportional to 160,563,291.40, 221,570,243.94 and 90,947,276.20

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Solution

The fourth proportional to 160,563,291.40, 221,570,243.94 and 90,947,276.20 is: 125,503,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563,291.40 : 221,570,243.94 = 90,947,276.20 : x
  2. Step 2: Convert to fraction form
    160,563,291.40/221,570,243.94 = 90,947,276.20/x
  3. Step 3: Cross multiply
    160,563,291.40x = 221,570,243.94 × 90,947,276.20
  4. Step 4: Simplify right side
    160,563,291.40x = 20,151,210,173,312,556
  5. Step 5: Solve for x
    x = 20,151,210,173,312,556/160,563,291.40
  6. Step 6: Final answer
    x = 125,503,220.55

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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.