Home / 126,032,180.80-189,048,271.20-118,379,430.40

Finding the Fourth Proportional to 126,032,180.80, 189,048,271.20 and 118,379,430.40

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Solution

The fourth proportional to 126,032,180.80, 189,048,271.20 and 118,379,430.40 is: 177,569,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032,180.80 : 189,048,271.20 = 118,379,430.40 : x
  2. Step 2: Convert to fraction form
    126,032,180.80/189,048,271.20 = 118,379,430.40/x
  3. Step 3: Cross multiply
    126,032,180.80x = 189,048,271.20 × 118,379,430.40
  4. Step 4: Simplify right side
    126,032,180.80x = 22,379,426,662,760,724
  5. Step 5: Solve for x
    x = 22,379,426,662,760,724/126,032,180.80
  6. Step 6: Final answer
    x = 177,569,145.60

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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.