Home / 262,297,280.10-393,697,862.55-133,050,828.90

Finding the Fourth Proportional to 262,297,280.10, 393,697,862.55 and 133,050,828.90

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Solution

The fourth proportional to 262,297,280.10, 393,697,862.55 and 133,050,828.90 is: 199,704,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,297,280.10 : 393,697,862.55 = 133,050,828.90 : x
  2. Step 2: Convert to fraction form
    262,297,280.10/393,697,862.55 = 133,050,828.90/x
  3. Step 3: Cross multiply
    262,297,280.10x = 393,697,862.55 × 133,050,828.90
  4. Step 4: Simplify right side
    262,297,280.10x = 52,381,826,948,435,768
  5. Step 5: Solve for x
    x = 52,381,826,948,435,768/262,297,280.10
  6. Step 6: Final answer
    x = 199,704,041.64

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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.