Home / 163,365,411.70-245,048,117.55-162,408,817.90

Finding the Fourth Proportional to 163,365,411.70, 245,048,117.55 and 162,408,817.90

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Solution

The fourth proportional to 163,365,411.70, 245,048,117.55 and 162,408,817.90 is: 243,613,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,365,411.70 : 245,048,117.55 = 162,408,817.90 : x
  2. Step 2: Convert to fraction form
    163,365,411.70/245,048,117.55 = 162,408,817.90/x
  3. Step 3: Cross multiply
    163,365,411.70x = 245,048,117.55 × 162,408,817.90
  4. Step 4: Simplify right side
    163,365,411.70x = 39,797,975,099,915,744
  5. Step 5: Solve for x
    x = 39,797,975,099,915,744/163,365,411.70
  6. Step 6: Final answer
    x = 243,613,226.85

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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.