Home / 160,782,802.47-221,880,376.85-90,208,670.22

Finding the Fourth Proportional to 160,782,802.47, 221,880,376.85 and 90,208,670.22

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Solution

The fourth proportional to 160,782,802.47, 221,880,376.85 and 90,208,670.22 is: 124,488,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,782,802.47 : 221,880,376.85 = 90,208,670.22 : x
  2. Step 2: Convert to fraction form
    160,782,802.47/221,880,376.85 = 90,208,670.22/x
  3. Step 3: Cross multiply
    160,782,802.47x = 221,880,376.85 × 90,208,670.22
  4. Step 4: Simplify right side
    160,782,802.47x = 20,015,533,743,099,928
  5. Step 5: Solve for x
    x = 20,015,533,743,099,928/160,782,802.47
  6. Step 6: Final answer
    x = 124,488,026.30

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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.