Home / 291,308,047.80-436,962,071.70-118,690,762.20

Finding the Fourth Proportional to 291,308,047.80, 436,962,071.70 and 118,690,762.20

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Solution

The fourth proportional to 291,308,047.80, 436,962,071.70 and 118,690,762.20 is: 178,036,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,308,047.80 : 436,962,071.70 = 118,690,762.20 : x
  2. Step 2: Convert to fraction form
    291,308,047.80/436,962,071.70 = 118,690,762.20/x
  3. Step 3: Cross multiply
    291,308,047.80x = 436,962,071.70 × 118,690,762.20
  4. Step 4: Simplify right side
    291,308,047.80x = 51,863,361,342,564,048
  5. Step 5: Solve for x
    x = 51,863,361,342,564,048/291,308,047.80
  6. Step 6: Final answer
    x = 178,036,143.30

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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.