Home / 190,549,242.52-285,657,393.39-73,884,220.96

Finding the Fourth Proportional to 190,549,242.52, 285,657,393.39 and 73,884,220.96

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Solution

The fourth proportional to 190,549,242.52, 285,657,393.39 and 73,884,220.96 is: 110,761,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,549,242.52 : 285,657,393.39 = 73,884,220.96 : x
  2. Step 2: Convert to fraction form
    190,549,242.52/285,657,393.39 = 73,884,220.96/x
  3. Step 3: Cross multiply
    190,549,242.52x = 285,657,393.39 × 73,884,220.96
  4. Step 4: Simplify right side
    190,549,242.52x = 21,105,573,972,833,992
  5. Step 5: Solve for x
    x = 21,105,573,972,833,992/190,549,242.52
  6. Step 6: Final answer
    x = 110,761,783.64

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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.