Home / 160,782,834.35-221,880,420.84-90,208,702.10

Finding the Fourth Proportional to 160,782,834.35, 221,880,420.84 and 90,208,702.10

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Solution

The fourth proportional to 160,782,834.35, 221,880,420.84 and 90,208,702.10 is: 124,488,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,782,834.35 : 221,880,420.84 = 90,208,702.10 : x
  2. Step 2: Convert to fraction form
    160,782,834.35/221,880,420.84 = 90,208,702.10/x
  3. Step 3: Cross multiply
    160,782,834.35x = 221,880,420.84 × 90,208,702.10
  4. Step 4: Simplify right side
    160,782,834.35x = 20,015,544,785,378,192
  5. Step 5: Solve for x
    x = 20,015,544,785,378,192/160,782,834.35
  6. Step 6: Final answer
    x = 124,488,070.30

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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.