Home / 145,297,542.83-200,702,007.41-107,696,931.60

Finding the Fourth Proportional to 145,297,542.83, 200,702,007.41 and 107,696,931.60

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Solution

The fourth proportional to 145,297,542.83, 200,702,007.41 and 107,696,931.60 is: 148,763,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,297,542.83 : 200,702,007.41 = 107,696,931.60 : x
  2. Step 2: Convert to fraction form
    145,297,542.83/200,702,007.41 = 107,696,931.60/x
  3. Step 3: Cross multiply
    145,297,542.83x = 200,702,007.41 × 107,696,931.60
  4. Step 4: Simplify right side
    145,297,542.83x = 21,614,990,363,710,000
  5. Step 5: Solve for x
    x = 21,614,990,363,710,000/145,297,542.83
  6. Step 6: Final answer
    x = 148,763,633.19

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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.