Home / 291,253,293.40-436,879,940.10-75,842,541.40

Finding the Fourth Proportional to 291,253,293.40, 436,879,940.10 and 75,842,541.40

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Solution

The fourth proportional to 291,253,293.40, 436,879,940.10 and 75,842,541.40 is: 113,763,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,253,293.40 : 436,879,940.10 = 75,842,541.40 : x
  2. Step 2: Convert to fraction form
    291,253,293.40/436,879,940.10 = 75,842,541.40/x
  3. Step 3: Cross multiply
    291,253,293.40x = 436,879,940.10 × 75,842,541.40
  4. Step 4: Simplify right side
    291,253,293.40x = 33,134,084,943,863,776
  5. Step 5: Solve for x
    x = 33,134,084,943,863,776/291,253,293.40
  6. Step 6: Final answer
    x = 113,763,812.10

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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.