Home / 117,452,403.20-176,178,604.80-76,637,734.40

Finding the Fourth Proportional to 117,452,403.20, 176,178,604.80 and 76,637,734.40

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Solution

The fourth proportional to 117,452,403.20, 176,178,604.80 and 76,637,734.40 is: 114,956,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452,403.20 : 176,178,604.80 = 76,637,734.40 : x
  2. Step 2: Convert to fraction form
    117,452,403.20/176,178,604.80 = 76,637,734.40/x
  3. Step 3: Cross multiply
    117,452,403.20x = 176,178,604.80 × 76,637,734.40
  4. Step 4: Simplify right side
    117,452,403.20x = 13,501,929,121,624,968
  5. Step 5: Solve for x
    x = 13,501,929,121,624,968/117,452,403.20
  6. Step 6: Final answer
    x = 114,956,601.60

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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.