Home / 360,368,740.20-540,553,110.30-130,373,322.60

Finding the Fourth Proportional to 360,368,740.20, 540,553,110.30 and 130,373,322.60

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Solution

The fourth proportional to 360,368,740.20, 540,553,110.30 and 130,373,322.60 is: 195,559,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,368,740.20 : 540,553,110.30 = 130,373,322.60 : x
  2. Step 2: Convert to fraction form
    360,368,740.20/540,553,110.30 = 130,373,322.60/x
  3. Step 3: Cross multiply
    360,368,740.20x = 540,553,110.30 × 130,373,322.60
  4. Step 4: Simplify right side
    360,368,740.20x = 70,473,705,031,575,272
  5. Step 5: Solve for x
    x = 70,473,705,031,575,272/360,368,740.20
  6. Step 6: Final answer
    x = 195,559,983.90

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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.