Home / 465,152,005.20-697,728,007.80-141,993,886.80

Finding the Fourth Proportional to 465,152,005.20, 697,728,007.80 and 141,993,886.80

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Solution

The fourth proportional to 465,152,005.20, 697,728,007.80 and 141,993,886.80 is: 212,990,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,152,005.20 : 697,728,007.80 = 141,993,886.80 : x
  2. Step 2: Convert to fraction form
    465,152,005.20/697,728,007.80 = 141,993,886.80/x
  3. Step 3: Cross multiply
    465,152,005.20x = 697,728,007.80 × 141,993,886.80
  4. Step 4: Simplify right side
    465,152,005.20x = 99,073,111,756,742,720
  5. Step 5: Solve for x
    x = 99,073,111,756,742,720/465,152,005.20
  6. Step 6: Final answer
    x = 212,990,830.20

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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.