Home / 293,510,030.12-440,253,554.46-99,421,445.04

Finding the Fourth Proportional to 293,510,030.12, 440,253,554.46 and 99,421,445.04

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Solution

The fourth proportional to 293,510,030.12, 440,253,554.46 and 99,421,445.04 is: 149,128,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,510,030.12 : 440,253,554.46 = 99,421,445.04 : x
  2. Step 2: Convert to fraction form
    293,510,030.12/440,253,554.46 = 99,421,445.04/x
  3. Step 3: Cross multiply
    293,510,030.12x = 440,253,554.46 × 99,421,445.04
  4. Step 4: Simplify right side
    293,510,030.12x = 43,770,644,568,409,536
  5. Step 5: Solve for x
    x = 43,770,644,568,409,536/293,510,030.12
  6. Step 6: Final answer
    x = 149,128,275.28

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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.