Home / 117,354,763.60-176,032,145.40-85,504,267.60

Finding the Fourth Proportional to 117,354,763.60, 176,032,145.40 and 85,504,267.60

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Solution

The fourth proportional to 117,354,763.60, 176,032,145.40 and 85,504,267.60 is: 128,256,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,354,763.60 : 176,032,145.40 = 85,504,267.60 : x
  2. Step 2: Convert to fraction form
    117,354,763.60/176,032,145.40 = 85,504,267.60/x
  3. Step 3: Cross multiply
    117,354,763.60x = 176,032,145.40 × 85,504,267.60
  4. Step 4: Simplify right side
    117,354,763.60x = 15,051,499,666,483,708
  5. Step 5: Solve for x
    x = 15,051,499,666,483,708/117,354,763.60
  6. Step 6: Final answer
    x = 128,256,401.40

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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.