Home / 118,572,136.40-177,511,783.80-84,559,912.40

Finding the Fourth Proportional to 118,572,136.40, 177,511,783.80 and 84,559,912.40

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Solution

The fourth proportional to 118,572,136.40, 177,511,783.80 and 84,559,912.40 is: 126,592,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,572,136.40 : 177,511,783.80 = 84,559,912.40 : x
  2. Step 2: Convert to fraction form
    118,572,136.40/177,511,783.80 = 84,559,912.40/x
  3. Step 3: Cross multiply
    118,572,136.40x = 177,511,783.80 × 84,559,912.40
  4. Step 4: Simplify right side
    118,572,136.40x = 15,010,380,888,095,742
  5. Step 5: Solve for x
    x = 15,010,380,888,095,742/118,572,136.40
  6. Step 6: Final answer
    x = 126,592,818.04

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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.