Home / 102,590,392,999.68-153,778,186,221.12-42,933,235,538.88

Finding the Fourth Proportional to 102,590,392,999.68, 153,778,186,221.12 and 42,933,235,538.88

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Solution

The fourth proportional to 102,590,392,999.68, 153,778,186,221.12 and 42,933,235,538.88 is: 64,354,905,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,590,392,999.68 : 153,778,186,221.12 = 42,933,235,538.88 : x
  2. Step 2: Convert to fraction form
    102,590,392,999.68/153,778,186,221.12 = 42,933,235,538.88/x
  3. Step 3: Cross multiply
    102,590,392,999.68x = 153,778,186,221.12 × 42,933,235,538.88
  4. Step 4: Simplify right side
    102,590,392,999.68x = 6,602,195,089,773,095,288,832
  5. Step 5: Solve for x
    x = 6,602,195,089,773,095,288,832/102,590,392,999.68
  6. Step 6: Final answer
    x = 64,354,905,919.83

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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.