Home / 289,023,527.28-433,438,105.48-104,752,429.86

Finding the Fourth Proportional to 289,023,527.28, 433,438,105.48 and 104,752,429.86

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Solution

The fourth proportional to 289,023,527.28, 433,438,105.48 and 104,752,429.86 is: 157,093,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,023,527.28 : 433,438,105.48 = 104,752,429.86 : x
  2. Step 2: Convert to fraction form
    289,023,527.28/433,438,105.48 = 104,752,429.86/x
  3. Step 3: Cross multiply
    289,023,527.28x = 433,438,105.48 × 104,752,429.86
  4. Step 4: Simplify right side
    289,023,527.28x = 45,403,694,742,944,984
  5. Step 5: Solve for x
    x = 45,403,694,742,944,984/289,023,527.28
  6. Step 6: Final answer
    x = 157,093,421.32

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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.