Home / 347,855,779.20-521,849,505.60-114,699,884.16

Finding the Fourth Proportional to 347,855,779.20, 521,849,505.60 and 114,699,884.16

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Solution

The fourth proportional to 347,855,779.20, 521,849,505.60 and 114,699,884.16 is: 172,071,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,855,779.20 : 521,849,505.60 = 114,699,884.16 : x
  2. Step 2: Convert to fraction form
    347,855,779.20/521,849,505.60 = 114,699,884.16/x
  3. Step 3: Cross multiply
    347,855,779.20x = 521,849,505.60 × 114,699,884.16
  4. Step 4: Simplify right side
    347,855,779.20x = 59,856,077,841,273,272
  5. Step 5: Solve for x
    x = 59,856,077,841,273,272/347,855,779.20
  6. Step 6: Final answer
    x = 172,071,534.87

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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.