Home / 211,145,712-316,306,246.08-100,323,672.42

Finding the Fourth Proportional to 211,145,712, 316,306,246.08 and 100,323,672.42

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Solution

The fourth proportional to 211,145,712, 316,306,246.08 and 100,323,672.42 is: 150,289,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,145,712 : 316,306,246.08 = 100,323,672.42 : x
  2. Step 2: Convert to fraction form
    211,145,712/316,306,246.08 = 100,323,672.42/x
  3. Step 3: Cross multiply
    211,145,712x = 316,306,246.08 × 100,323,672.42
  4. Step 4: Simplify right side
    211,145,712x = 31,733,004,216,129,828
  5. Step 5: Solve for x
    x = 31,733,004,216,129,828/211,145,712
  6. Step 6: Final answer
    x = 150,289,598.19

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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.