Home / 291,072,528.90-436,608,793.35-118,460,492.10

Finding the Fourth Proportional to 291,072,528.90, 436,608,793.35 and 118,460,492.10

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Solution

The fourth proportional to 291,072,528.90, 436,608,793.35 and 118,460,492.10 is: 177,690,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,072,528.90 : 436,608,793.35 = 118,460,492.10 : x
  2. Step 2: Convert to fraction form
    291,072,528.90/436,608,793.35 = 118,460,492.10/x
  3. Step 3: Cross multiply
    291,072,528.90x = 436,608,793.35 × 118,460,492.10
  4. Step 4: Simplify right side
    291,072,528.90x = 51,720,892,515,428,208
  5. Step 5: Solve for x
    x = 51,720,892,515,428,208/291,072,528.90
  6. Step 6: Final answer
    x = 177,690,738.15

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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.