Home / 194,048,611.60-291,072,917.40-78,973,920.40

Finding the Fourth Proportional to 194,048,611.60, 291,072,917.40 and 78,973,920.40

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Solution

The fourth proportional to 194,048,611.60, 291,072,917.40 and 78,973,920.40 is: 118,460,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,048,611.60 : 291,072,917.40 = 78,973,920.40 : x
  2. Step 2: Convert to fraction form
    194,048,611.60/291,072,917.40 = 78,973,920.40/x
  3. Step 3: Cross multiply
    194,048,611.60x = 291,072,917.40 × 78,973,920.40
  4. Step 4: Simplify right side
    194,048,611.60x = 22,987,169,409,343,376
  5. Step 5: Solve for x
    x = 22,987,169,409,343,376/194,048,611.60
  6. Step 6: Final answer
    x = 118,460,880.60

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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.