Home / 160,782,833.60-221,880,419.80-90,208,701.35

Finding the Fourth Proportional to 160,782,833.60, 221,880,419.80 and 90,208,701.35

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Solution

The fourth proportional to 160,782,833.60, 221,880,419.80 and 90,208,701.35 is: 124,488,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,782,833.60 : 221,880,419.80 = 90,208,701.35 : x
  2. Step 2: Convert to fraction form
    160,782,833.60/221,880,419.80 = 90,208,701.35/x
  3. Step 3: Cross multiply
    160,782,833.60x = 221,880,419.80 × 90,208,701.35
  4. Step 4: Simplify right side
    160,782,833.60x = 20,015,544,523,815,904
  5. Step 5: Solve for x
    x = 20,015,544,523,815,904/160,782,833.60
  6. Step 6: Final answer
    x = 124,488,069.26

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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.