Home / 200,462,677.20-300,694,015.80-98,426,005.20

Finding the Fourth Proportional to 200,462,677.20, 300,694,015.80 and 98,426,005.20

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Solution

The fourth proportional to 200,462,677.20, 300,694,015.80 and 98,426,005.20 is: 147,639,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,462,677.20 : 300,694,015.80 = 98,426,005.20 : x
  2. Step 2: Convert to fraction form
    200,462,677.20/300,694,015.80 = 98,426,005.20/x
  3. Step 3: Cross multiply
    200,462,677.20x = 300,694,015.80 × 98,426,005.20
  4. Step 4: Simplify right side
    200,462,677.20x = 29,596,110,762,739,684
  5. Step 5: Solve for x
    x = 29,596,110,762,739,684/200,462,677.20
  6. Step 6: Final answer
    x = 147,639,007.80

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1.5x scale

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.