Home / 124,102,376.15-171,259,189.81-68,352,988.25

Finding the Fourth Proportional to 124,102,376.15, 171,259,189.81 and 68,352,988.25

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Solution

The fourth proportional to 124,102,376.15, 171,259,189.81 and 68,352,988.25 is: 94,325,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102,376.15 : 171,259,189.81 = 68,352,988.25 : x
  2. Step 2: Convert to fraction form
    124,102,376.15/171,259,189.81 = 68,352,988.25/x
  3. Step 3: Cross multiply
    124,102,376.15x = 171,259,189.81 × 68,352,988.25
  4. Step 4: Simplify right side
    124,102,376.15x = 11,706,077,389,237,470
  5. Step 5: Solve for x
    x = 11,706,077,389,237,470/124,102,376.15
  6. Step 6: Final answer
    x = 94,325,973.06

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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.