Home / 291,330,368.10-436,995,552.15-75,919,616.10

Finding the Fourth Proportional to 291,330,368.10, 436,995,552.15 and 75,919,616.10

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Solution

The fourth proportional to 291,330,368.10, 436,995,552.15 and 75,919,616.10 is: 113,879,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,330,368.10 : 436,995,552.15 = 75,919,616.10 : x
  2. Step 2: Convert to fraction form
    291,330,368.10/436,995,552.15 = 75,919,616.10/x
  3. Step 3: Cross multiply
    291,330,368.10x = 436,995,552.15 × 75,919,616.10
  4. Step 4: Simplify right side
    291,330,368.10x = 33,176,534,556,635,524
  5. Step 5: Solve for x
    x = 33,176,534,556,635,524/291,330,368.10
  6. Step 6: Final answer
    x = 113,879,424.15

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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.