Home / 130,401,000.80-195,601,501.20-84,484,498.40

Finding the Fourth Proportional to 130,401,000.80, 195,601,501.20 and 84,484,498.40

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Solution

The fourth proportional to 130,401,000.80, 195,601,501.20 and 84,484,498.40 is: 126,726,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401,000.80 : 195,601,501.20 = 84,484,498.40 : x
  2. Step 2: Convert to fraction form
    130,401,000.80/195,601,501.20 = 84,484,498.40/x
  3. Step 3: Cross multiply
    130,401,000.80x = 195,601,501.20 × 84,484,498.40
  4. Step 4: Simplify right side
    130,401,000.80x = 16,525,294,715,168,998
  5. Step 5: Solve for x
    x = 16,525,294,715,168,998/130,401,000.80
  6. Step 6: Final answer
    x = 126,726,747.60

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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.