Home / 288,741,696.60-433,112,544.90-143,197,721.40

Finding the Fourth Proportional to 288,741,696.60, 433,112,544.90 and 143,197,721.40

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Solution

The fourth proportional to 288,741,696.60, 433,112,544.90 and 143,197,721.40 is: 214,796,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,741,696.60 : 433,112,544.90 = 143,197,721.40 : x
  2. Step 2: Convert to fraction form
    288,741,696.60/433,112,544.90 = 143,197,721.40/x
  3. Step 3: Cross multiply
    288,741,696.60x = 433,112,544.90 × 143,197,721.40
  4. Step 4: Simplify right side
    288,741,696.60x = 62,020,729,539,435,192
  5. Step 5: Solve for x
    x = 62,020,729,539,435,192/288,741,696.60
  6. Step 6: Final answer
    x = 214,796,582.10

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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.