Home / 127,670,415.10-191,505,622.65-88,703,323.90

Finding the Fourth Proportional to 127,670,415.10, 191,505,622.65 and 88,703,323.90

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Solution

The fourth proportional to 127,670,415.10, 191,505,622.65 and 88,703,323.90 is: 133,054,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670,415.10 : 191,505,622.65 = 88,703,323.90 : x
  2. Step 2: Convert to fraction form
    127,670,415.10/191,505,622.65 = 88,703,323.90/x
  3. Step 3: Cross multiply
    127,670,415.10x = 191,505,622.65 × 88,703,323.90
  4. Step 4: Simplify right side
    127,670,415.10x = 16,987,185,274,594,128
  5. Step 5: Solve for x
    x = 16,987,185,274,594,128/127,670,415.10
  6. Step 6: Final answer
    x = 133,054,985.85

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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.