Home / 99,312,768,046.20-148,969,152,069.30-52,131,010,913.40

Finding the Fourth Proportional to 99,312,768,046.20, 148,969,152,069.30 and 52,131,010,913.40

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Solution

The fourth proportional to 99,312,768,046.20, 148,969,152,069.30 and 52,131,010,913.40 is: 78,196,516,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,768,046.20 : 148,969,152,069.30 = 52,131,010,913.40 : x
  2. Step 2: Convert to fraction form
    99,312,768,046.20/148,969,152,069.30 = 52,131,010,913.40/x
  3. Step 3: Cross multiply
    99,312,768,046.20x = 148,969,152,069.30 × 52,131,010,913.40
  4. Step 4: Simplify right side
    99,312,768,046.20x = 7,765,912,492,284,621,881,344
  5. Step 5: Solve for x
    x = 7,765,912,492,284,621,881,344/99,312,768,046.20
  6. Step 6: Final answer
    x = 78,196,516,370.10

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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.