Home / 373,686,328.54-560,545,068.24-128,211,811.54

Finding the Fourth Proportional to 373,686,328.54, 560,545,068.24 and 128,211,811.54

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Solution

The fourth proportional to 373,686,328.54, 560,545,068.24 and 128,211,811.54 is: 192,323,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,686,328.54 : 560,545,068.24 = 128,211,811.54 : x
  2. Step 2: Convert to fraction form
    373,686,328.54/560,545,068.24 = 128,211,811.54/x
  3. Step 3: Cross multiply
    373,686,328.54x = 560,545,068.24 × 128,211,811.54
  4. Step 4: Simplify right side
    373,686,328.54x = 71,868,498,648,863,328
  5. Step 5: Solve for x
    x = 71,868,498,648,863,328/373,686,328.54
  6. Step 6: Final answer
    x = 192,323,061.24

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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.