Home / 162,142,143.90-243,455,907.23-140,350,110.45

Finding the Fourth Proportional to 162,142,143.90, 243,455,907.23 and 140,350,110.45

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Solution

The fourth proportional to 162,142,143.90, 243,455,907.23 and 140,350,110.45 is: 210,735,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,142,143.90 : 243,455,907.23 = 140,350,110.45 : x
  2. Step 2: Convert to fraction form
    162,142,143.90/243,455,907.23 = 140,350,110.45/x
  3. Step 3: Cross multiply
    162,142,143.90x = 243,455,907.23 × 140,350,110.45
  4. Step 4: Simplify right side
    162,142,143.90x = 34,169,063,469,435,448
  5. Step 5: Solve for x
    x = 34,169,063,469,435,448/162,142,143.90
  6. Step 6: Final answer
    x = 210,735,239.14

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1.5x scale

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.