Home / 291,330,779.10-436,996,168.65-75,920,027.10

Finding the Fourth Proportional to 291,330,779.10, 436,996,168.65 and 75,920,027.10

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Solution

The fourth proportional to 291,330,779.10, 436,996,168.65 and 75,920,027.10 is: 113,880,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,330,779.10 : 436,996,168.65 = 75,920,027.10 : x
  2. Step 2: Convert to fraction form
    291,330,779.10/436,996,168.65 = 75,920,027.10/x
  3. Step 3: Cross multiply
    291,330,779.10x = 436,996,168.65 × 75,920,027.10
  4. Step 4: Simplify right side
    291,330,779.10x = 33,176,760,966,504,168
  5. Step 5: Solve for x
    x = 33,176,760,966,504,168/291,330,779.10
  6. Step 6: Final answer
    x = 113,880,040.65

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1.5x scale

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.