Home / 152,157,614-209,977,507.34-86,968,917.68

Finding the Fourth Proportional to 152,157,614, 209,977,507.34 and 86,968,917.68

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Solution

The fourth proportional to 152,157,614, 209,977,507.34 and 86,968,917.68 is: 120,017,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,157,614 : 209,977,507.34 = 86,968,917.68 : x
  2. Step 2: Convert to fraction form
    152,157,614/209,977,507.34 = 86,968,917.68/x
  3. Step 3: Cross multiply
    152,157,614x = 209,977,507.34 × 86,968,917.68
  4. Step 4: Simplify right side
    152,157,614x = 18,261,516,550,504,056
  5. Step 5: Solve for x
    x = 18,261,516,550,504,056/152,157,614
  6. Step 6: Final answer
    x = 120,017,106.41

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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.