Home / 70,127,308.66-105,190,963.41-19,009,327.27

Finding the Fourth Proportional to 70,127,308.66, 105,190,963.41 and 19,009,327.27

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Solution

The fourth proportional to 70,127,308.66, 105,190,963.41 and 19,009,327.27 is: 28,513,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127,308.66 : 105,190,963.41 = 19,009,327.27 : x
  2. Step 2: Convert to fraction form
    70,127,308.66/105,190,963.41 = 19,009,327.27/x
  3. Step 3: Cross multiply
    70,127,308.66x = 105,190,963.41 × 19,009,327.27
  4. Step 4: Simplify right side
    70,127,308.66x = 1,999,609,449,307,285
  5. Step 5: Solve for x
    x = 1,999,609,449,307,285/70,127,308.66
  6. Step 6: Final answer
    x = 28,513,991.02

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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.