Home / 289,746,922.20-434,610,410.58-82,486,616.16

Finding the Fourth Proportional to 289,746,922.20, 434,610,410.58 and 82,486,616.16

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Solution

The fourth proportional to 289,746,922.20, 434,610,410.58 and 82,486,616.16 is: 123,727,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,746,922.20 : 434,610,410.58 = 82,486,616.16 : x
  2. Step 2: Convert to fraction form
    289,746,922.20/434,610,410.58 = 82,486,616.16/x
  3. Step 3: Cross multiply
    289,746,922.20x = 434,610,410.58 × 82,486,616.16
  4. Step 4: Simplify right side
    289,746,922.20x = 35,849,542,116,652,460
  5. Step 5: Solve for x
    x = 35,849,542,116,652,460/289,746,922.20
  6. Step 6: Final answer
    x = 123,727,085.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.