Home / 145,540,266.90-218,310,400.35-139,800,704.10

Finding the Fourth Proportional to 145,540,266.90, 218,310,400.35 and 139,800,704.10

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Solution

The fourth proportional to 145,540,266.90, 218,310,400.35 and 139,800,704.10 is: 209,701,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540,266.90 : 218,310,400.35 = 139,800,704.10 : x
  2. Step 2: Convert to fraction form
    145,540,266.90/218,310,400.35 = 139,800,704.10/x
  3. Step 3: Cross multiply
    145,540,266.90x = 218,310,400.35 × 139,800,704.10
  4. Step 4: Simplify right side
    145,540,266.90x = 30,519,947,681,282,884
  5. Step 5: Solve for x
    x = 30,519,947,681,282,884/145,540,266.90
  6. Step 6: Final answer
    x = 209,701,056.15

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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.