Home / 127,901,588.80-191,810,392.80-47,112,059.20

Finding the Fourth Proportional to 127,901,588.80, 191,810,392.80 and 47,112,059.20

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Solution

The fourth proportional to 127,901,588.80, 191,810,392.80 and 47,112,059.20 is: 70,652,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,901,588.80 : 191,810,392.80 = 47,112,059.20 : x
  2. Step 2: Convert to fraction form
    127,901,588.80/191,810,392.80 = 47,112,059.20/x
  3. Step 3: Cross multiply
    127,901,588.80x = 191,810,392.80 × 47,112,059.20
  4. Step 4: Simplify right side
    127,901,588.80x = 9,036,582,580,768,854
  5. Step 5: Solve for x
    x = 9,036,582,580,768,854/127,901,588.80
  6. Step 6: Final answer
    x = 70,652,621.80

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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.