Home / 127,878,752.20-191,818,128.30-47,089,222.60

Finding the Fourth Proportional to 127,878,752.20, 191,818,128.30 and 47,089,222.60

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Solution

The fourth proportional to 127,878,752.20, 191,818,128.30 and 47,089,222.60 is: 70,633,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,878,752.20 : 191,818,128.30 = 47,089,222.60 : x
  2. Step 2: Convert to fraction form
    127,878,752.20/191,818,128.30 = 47,089,222.60/x
  3. Step 3: Cross multiply
    127,878,752.20x = 191,818,128.30 × 47,089,222.60
  4. Step 4: Simplify right side
    127,878,752.20x = 9,032,566,542,234,060
  5. Step 5: Solve for x
    x = 9,032,566,542,234,060/127,878,752.20
  6. Step 6: Final answer
    x = 70,633,833.90

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1.5x scale

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.