Home / 115,278,421.48-172,917,419.02-37,555,232.68

Finding the Fourth Proportional to 115,278,421.48, 172,917,419.02 and 37,555,232.68

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Solution

The fourth proportional to 115,278,421.48, 172,917,419.02 and 37,555,232.68 is: 56,332,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,278,421.48 : 172,917,419.02 = 37,555,232.68 : x
  2. Step 2: Convert to fraction form
    115,278,421.48/172,917,419.02 = 37,555,232.68/x
  3. Step 3: Cross multiply
    115,278,421.48x = 172,917,419.02 × 37,555,232.68
  4. Step 4: Simplify right side
    115,278,421.48x = 6,493,953,905,721,158
  5. Step 5: Solve for x
    x = 6,493,953,905,721,158/115,278,421.48
  6. Step 6: Final answer
    x = 56,332,779.56

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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.