Home / 223,701,779.40-308,702,207.16-124,582,499.76

Finding the Fourth Proportional to 223,701,779.40, 308,702,207.16 and 124,582,499.76

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Solution

The fourth proportional to 223,701,779.40, 308,702,207.16 and 124,582,499.76 is: 171,920,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,701,779.40 : 308,702,207.16 = 124,582,499.76 : x
  2. Step 2: Convert to fraction form
    223,701,779.40/308,702,207.16 = 124,582,499.76/x
  3. Step 3: Cross multiply
    223,701,779.40x = 308,702,207.16 × 124,582,499.76
  4. Step 4: Simplify right side
    223,701,779.40x = 38,458,892,649,422,176
  5. Step 5: Solve for x
    x = 38,458,892,649,422,176/223,701,779.40
  6. Step 6: Final answer
    x = 171,920,369.84

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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.