Home / 289,808,447.32-400,119,239.10-179,916,771.16

Finding the Fourth Proportional to 289,808,447.32, 400,119,239.10 and 179,916,771.16

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Solution

The fourth proportional to 289,808,447.32, 400,119,239.10 and 179,916,771.16 is: 248,399,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,808,447.32 : 400,119,239.10 = 179,916,771.16 : x
  2. Step 2: Convert to fraction form
    289,808,447.32/400,119,239.10 = 179,916,771.16/x
  3. Step 3: Cross multiply
    289,808,447.32x = 400,119,239.10 × 179,916,771.16
  4. Step 4: Simplify right side
    289,808,447.32x = 71,988,161,577,868,024
  5. Step 5: Solve for x
    x = 71,988,161,577,868,024/289,808,447.32
  6. Step 6: Final answer
    x = 248,399,114.12

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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.