Home / 142,573,270.94-196,751,259.51-77,383,188.38

Finding the Fourth Proportional to 142,573,270.94, 196,751,259.51 and 77,383,188.38

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Solution

The fourth proportional to 142,573,270.94, 196,751,259.51 and 77,383,188.38 is: 106,788,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,573,270.94 : 196,751,259.51 = 77,383,188.38 : x
  2. Step 2: Convert to fraction form
    142,573,270.94/196,751,259.51 = 77,383,188.38/x
  3. Step 3: Cross multiply
    142,573,270.94x = 196,751,259.51 × 77,383,188.38
  4. Step 4: Simplify right side
    142,573,270.94x = 15,225,239,778,664,594
  5. Step 5: Solve for x
    x = 15,225,239,778,664,594/142,573,270.94
  6. Step 6: Final answer
    x = 106,788,879.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.