Home / 99,312,768,034.20-148,969,152,051.30-52,131,010,901.40

Finding the Fourth Proportional to 99,312,768,034.20, 148,969,152,051.30 and 52,131,010,901.40

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Solution

The fourth proportional to 99,312,768,034.20, 148,969,152,051.30 and 52,131,010,901.40 is: 78,196,516,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,768,034.20 : 148,969,152,051.30 = 52,131,010,901.40 : x
  2. Step 2: Convert to fraction form
    99,312,768,034.20/148,969,152,051.30 = 52,131,010,901.40/x
  3. Step 3: Cross multiply
    99,312,768,034.20x = 148,969,152,051.30 × 52,131,010,901.40
  4. Step 4: Simplify right side
    99,312,768,034.20x = 7,765,912,489,558,633,611,264
  5. Step 5: Solve for x
    x = 7,765,912,489,558,633,611,264/99,312,768,034.20
  6. Step 6: Final answer
    x = 78,196,516,352.10

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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.