Home / 90,416,779.68-135,612,394.08-28,997,956.32

Finding the Fourth Proportional to 90,416,779.68, 135,612,394.08 and 28,997,956.32

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Solution

The fourth proportional to 90,416,779.68, 135,612,394.08 and 28,997,956.32 is: 43,492,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416,779.68 : 135,612,394.08 = 28,997,956.32 : x
  2. Step 2: Convert to fraction form
    90,416,779.68/135,612,394.08 = 28,997,956.32/x
  3. Step 3: Cross multiply
    90,416,779.68x = 135,612,394.08 × 28,997,956.32
  4. Step 4: Simplify right side
    90,416,779.68x = 3,932,482,279,982,467
  5. Step 5: Solve for x
    x = 3,932,482,279,982,467/90,416,779.68
  6. Step 6: Final answer
    x = 43,492,837.21

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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.