Home / 321,773,908.10-482,665,346.18-91,742,992.76

Finding the Fourth Proportional to 321,773,908.10, 482,665,346.18 and 91,742,992.76

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Solution

The fourth proportional to 321,773,908.10, 482,665,346.18 and 91,742,992.76 is: 137,615,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,773,908.10 : 482,665,346.18 = 91,742,992.76 : x
  2. Step 2: Convert to fraction form
    321,773,908.10/482,665,346.18 = 91,742,992.76/x
  3. Step 3: Cross multiply
    321,773,908.10x = 482,665,346.18 × 91,742,992.76
  4. Step 4: Simplify right side
    321,773,908.10x = 44,281,163,357,910,664
  5. Step 5: Solve for x
    x = 44,281,163,357,910,664/321,773,908.10
  6. Step 6: Final answer
    x = 137,615,767.60

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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.