Home / 134,781,759.48-186,112,207.44-85,309,408.32

Finding the Fourth Proportional to 134,781,759.48, 186,112,207.44 and 85,309,408.32

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Solution

The fourth proportional to 134,781,759.48, 186,112,207.44 and 85,309,408.32 is: 117,798,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781,759.48 : 186,112,207.44 = 85,309,408.32 : x
  2. Step 2: Convert to fraction form
    134,781,759.48/186,112,207.44 = 85,309,408.32/x
  3. Step 3: Cross multiply
    134,781,759.48x = 186,112,207.44 × 85,309,408.32
  4. Step 4: Simplify right side
    134,781,759.48x = 15,877,122,297,835,500
  5. Step 5: Solve for x
    x = 15,877,122,297,835,500/134,781,759.48
  6. Step 6: Final answer
    x = 117,798,746.35

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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.