Home / 245,340,368.15-367,697,957.03-130,379,984.15

Finding the Fourth Proportional to 245,340,368.15, 367,697,957.03 and 130,379,984.15

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Solution

The fourth proportional to 245,340,368.15, 367,697,957.03 and 130,379,984.15 is: 195,403,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,340,368.15 : 367,697,957.03 = 130,379,984.15 : x
  2. Step 2: Convert to fraction form
    245,340,368.15/367,697,957.03 = 130,379,984.15/x
  3. Step 3: Cross multiply
    245,340,368.15x = 367,697,957.03 × 130,379,984.15
  4. Step 4: Simplify right side
    245,340,368.15x = 47,940,453,808,906,880
  5. Step 5: Solve for x
    x = 47,940,453,808,906,880/245,340,368.15
  6. Step 6: Final answer
    x = 195,403,855.35

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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.