Home / 201,447,006.40-302,170,509.60-140,225,003.20

Finding the Fourth Proportional to 201,447,006.40, 302,170,509.60 and 140,225,003.20

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Solution

The fourth proportional to 201,447,006.40, 302,170,509.60 and 140,225,003.20 is: 210,337,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447,006.40 : 302,170,509.60 = 140,225,003.20 : x
  2. Step 2: Convert to fraction form
    201,447,006.40/302,170,509.60 = 140,225,003.20/x
  3. Step 3: Cross multiply
    201,447,006.40x = 302,170,509.60 × 140,225,003.20
  4. Step 4: Simplify right side
    201,447,006.40x = 42,371,860,675,605,632
  5. Step 5: Solve for x
    x = 42,371,860,675,605,632/201,447,006.40
  6. Step 6: Final answer
    x = 210,337,504.80

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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.