Home / 291,072,280.40-436,608,420.60-118,460,243.60

Finding the Fourth Proportional to 291,072,280.40, 436,608,420.60 and 118,460,243.60

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Solution

The fourth proportional to 291,072,280.40, 436,608,420.60 and 118,460,243.60 is: 177,690,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,072,280.40 : 436,608,420.60 = 118,460,243.60 : x
  2. Step 2: Convert to fraction form
    291,072,280.40/436,608,420.60 = 118,460,243.60/x
  3. Step 3: Cross multiply
    291,072,280.40x = 436,608,420.60 × 118,460,243.60
  4. Step 4: Simplify right side
    291,072,280.40x = 51,720,739,862,087,256
  5. Step 5: Solve for x
    x = 51,720,739,862,087,256/291,072,280.40
  6. Step 6: Final answer
    x = 177,690,365.40

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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.