Home / 160,563,290.40-221,570,242.56-90,947,275.20

Finding the Fourth Proportional to 160,563,290.40, 221,570,242.56 and 90,947,275.20

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Solution

The fourth proportional to 160,563,290.40, 221,570,242.56 and 90,947,275.20 is: 125,503,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,563,290.40 : 221,570,242.56 = 90,947,275.20 : x
  2. Step 2: Convert to fraction form
    160,563,290.40/221,570,242.56 = 90,947,275.20/x
  3. Step 3: Cross multiply
    160,563,290.40x = 221,570,242.56 × 90,947,275.20
  4. Step 4: Simplify right side
    160,563,290.40x = 20,151,209,826,235,072
  5. Step 5: Solve for x
    x = 20,151,209,826,235,072/160,563,290.40
  6. Step 6: Final answer
    x = 125,503,219.17

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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.