Home / 77,674,380,079.80-107,190,927,000.60-42,031,695,091.80

Finding the Fourth Proportional to 77,674,380,079.80, 107,190,927,000.60 and 42,031,695,091.80

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Solution

The fourth proportional to 77,674,380,079.80, 107,190,927,000.60 and 42,031,695,091.80 is: 58,003,892,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,674,380,079.80 : 107,190,927,000.60 = 42,031,695,091.80 : x
  2. Step 2: Convert to fraction form
    77,674,380,079.80/107,190,927,000.60 = 42,031,695,091.80/x
  3. Step 3: Cross multiply
    77,674,380,079.80x = 107,190,927,000.60 × 42,031,695,091.80
  4. Step 4: Simplify right side
    77,674,380,079.80x = 4,505,416,360,296,611,577,856
  5. Step 5: Solve for x
    x = 4,505,416,360,296,611,577,856/77,674,380,079.80
  6. Step 6: Final answer
    x = 58,003,892,089.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.