Home / 191,341,012.55-263,909,610.06-144,300,066.15

Finding the Fourth Proportional to 191,341,012.55, 263,909,610.06 and 144,300,066.15

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Solution

The fourth proportional to 191,341,012.55, 263,909,610.06 and 144,300,066.15 is: 199,027,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,341,012.55 : 263,909,610.06 = 144,300,066.15 : x
  2. Step 2: Convert to fraction form
    191,341,012.55/263,909,610.06 = 144,300,066.15/x
  3. Step 3: Cross multiply
    191,341,012.55x = 263,909,610.06 × 144,300,066.15
  4. Step 4: Simplify right side
    191,341,012.55x = 38,082,174,188,648,352
  5. Step 5: Solve for x
    x = 38,082,174,188,648,352/191,341,012.55
  6. Step 6: Final answer
    x = 199,027,765.57

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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.