Home / 211,483,247.60-317,224,871.40-193,307,965.40

Finding the Fourth Proportional to 211,483,247.60, 317,224,871.40 and 193,307,965.40

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Solution

The fourth proportional to 211,483,247.60, 317,224,871.40 and 193,307,965.40 is: 289,961,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,483,247.60 : 317,224,871.40 = 193,307,965.40 : x
  2. Step 2: Convert to fraction form
    211,483,247.60/317,224,871.40 = 193,307,965.40/x
  3. Step 3: Cross multiply
    211,483,247.60x = 317,224,871.40 × 193,307,965.40
  4. Step 4: Simplify right side
    211,483,247.60x = 61,322,094,464,610,648
  5. Step 5: Solve for x
    x = 61,322,094,464,610,648/211,483,247.60
  6. Step 6: Final answer
    x = 289,961,948.10

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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.