Home / 99,312,768,043.20-148,969,152,064.80-52,131,010,910.40

Finding the Fourth Proportional to 99,312,768,043.20, 148,969,152,064.80 and 52,131,010,910.40

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Solution

The fourth proportional to 99,312,768,043.20, 148,969,152,064.80 and 52,131,010,910.40 is: 78,196,516,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,768,043.20 : 148,969,152,064.80 = 52,131,010,910.40 : x
  2. Step 2: Convert to fraction form
    99,312,768,043.20/148,969,152,064.80 = 52,131,010,910.40/x
  3. Step 3: Cross multiply
    99,312,768,043.20x = 148,969,152,064.80 × 52,131,010,910.40
  4. Step 4: Simplify right side
    99,312,768,043.20x = 7,765,912,491,603,125,075,968
  5. Step 5: Solve for x
    x = 7,765,912,491,603,125,075,968/99,312,768,043.20
  6. Step 6: Final answer
    x = 78,196,516,365.60

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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.