Home / 215,993,886.80-323,990,830.20-64,704,030.80

Finding the Fourth Proportional to 215,993,886.80, 323,990,830.20 and 64,704,030.80

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Solution

The fourth proportional to 215,993,886.80, 323,990,830.20 and 64,704,030.80 is: 97,056,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,993,886.80 : 323,990,830.20 = 64,704,030.80 : x
  2. Step 2: Convert to fraction form
    215,993,886.80/323,990,830.20 = 64,704,030.80/x
  3. Step 3: Cross multiply
    215,993,886.80x = 323,990,830.20 × 64,704,030.80
  4. Step 4: Simplify right side
    215,993,886.80x = 20,963,512,656,178,368
  5. Step 5: Solve for x
    x = 20,963,512,656,178,368/215,993,886.80
  6. Step 6: Final answer
    x = 97,056,046.20

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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.