Home / 117,623,117.40-176,434,676.10-74,682,684.60

Finding the Fourth Proportional to 117,623,117.40, 176,434,676.10 and 74,682,684.60

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Solution

The fourth proportional to 117,623,117.40, 176,434,676.10 and 74,682,684.60 is: 112,024,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,623,117.40 : 176,434,676.10 = 74,682,684.60 : x
  2. Step 2: Convert to fraction form
    117,623,117.40/176,434,676.10 = 74,682,684.60/x
  3. Step 3: Cross multiply
    117,623,117.40x = 176,434,676.10 × 74,682,684.60
  4. Step 4: Simplify right side
    117,623,117.40x = 13,176,615,267,679,456
  5. Step 5: Solve for x
    x = 13,176,615,267,679,456/117,623,117.40
  6. Step 6: Final answer
    x = 112,024,026.90

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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.