Home / 216,078,568.18-324,118,683.33-52,316,051.92

Finding the Fourth Proportional to 216,078,568.18, 324,118,683.33 and 52,316,051.92

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Solution

The fourth proportional to 216,078,568.18, 324,118,683.33 and 52,316,051.92 is: 78,474,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,078,568.18 : 324,118,683.33 = 52,316,051.92 : x
  2. Step 2: Convert to fraction form
    216,078,568.18/324,118,683.33 = 52,316,051.92/x
  3. Step 3: Cross multiply
    216,078,568.18x = 324,118,683.33 × 52,316,051.92
  4. Step 4: Simplify right side
    216,078,568.18x = 16,956,609,865,334,318
  5. Step 5: Solve for x
    x = 16,956,609,865,334,318/216,078,568.18
  6. Step 6: Final answer
    x = 78,474,279.09

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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.