Home / 291,104,405.40-436,656,608.10-118,492,368.60

Finding the Fourth Proportional to 291,104,405.40, 436,656,608.10 and 118,492,368.60

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Solution

The fourth proportional to 291,104,405.40, 436,656,608.10 and 118,492,368.60 is: 177,738,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,104,405.40 : 436,656,608.10 = 118,492,368.60 : x
  2. Step 2: Convert to fraction form
    291,104,405.40/436,656,608.10 = 118,492,368.60/x
  3. Step 3: Cross multiply
    291,104,405.40x = 436,656,608.10 × 118,492,368.60
  4. Step 4: Simplify right side
    291,104,405.40x = 51,740,475,758,610,944
  5. Step 5: Solve for x
    x = 51,740,475,758,610,944/291,104,405.40
  6. Step 6: Final answer
    x = 177,738,552.90

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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.