Home / 168,655,590,038.20-252,974,475,138.10-55,320,387,131.12

Finding the Fourth Proportional to 168,655,590,038.20, 252,974,475,138.10 and 55,320,387,131.12

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Solution

The fourth proportional to 168,655,590,038.20, 252,974,475,138.10 and 55,320,387,131.12 is: 82,977,658,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,655,590,038.20 : 252,974,475,138.10 = 55,320,387,131.12 : x
  2. Step 2: Convert to fraction form
    168,655,590,038.20/252,974,475,138.10 = 55,320,387,131.12/x
  3. Step 3: Cross multiply
    168,655,590,038.20x = 252,974,475,138.10 × 55,320,387,131.12
  4. Step 4: Simplify right side
    168,655,590,038.20x = 13,994,645,898,931,585,679,360
  5. Step 5: Solve for x
    x = 13,994,645,898,931,585,679,360/168,655,590,038.20
  6. Step 6: Final answer
    x = 82,977,658,171.67

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1.5x scale

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.