Home / 216,551,488.70-324,827,233.05-192,742,931.90

Finding the Fourth Proportional to 216,551,488.70, 324,827,233.05 and 192,742,931.90

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Solution

The fourth proportional to 216,551,488.70, 324,827,233.05 and 192,742,931.90 is: 289,114,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,488.70 : 324,827,233.05 = 192,742,931.90 : x
  2. Step 2: Convert to fraction form
    216,551,488.70/324,827,233.05 = 192,742,931.90/x
  3. Step 3: Cross multiply
    216,551,488.70x = 324,827,233.05 × 192,742,931.90
  4. Step 4: Simplify right side
    216,551,488.70x = 62,608,153,259,021,584
  5. Step 5: Solve for x
    x = 62,608,153,259,021,584/216,551,488.70
  6. Step 6: Final answer
    x = 289,114,397.85

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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.