Home / 130,398,001.80-195,597,002.70-120,544,254.60

Finding the Fourth Proportional to 130,398,001.80, 195,597,002.70 and 120,544,254.60

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Solution

The fourth proportional to 130,398,001.80, 195,597,002.70 and 120,544,254.60 is: 180,816,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,398,001.80 : 195,597,002.70 = 120,544,254.60 : x
  2. Step 2: Convert to fraction form
    130,398,001.80/195,597,002.70 = 120,544,254.60/x
  3. Step 3: Cross multiply
    130,398,001.80x = 195,597,002.70 × 120,544,254.60
  4. Step 4: Simplify right side
    130,398,001.80x = 23,578,094,892,465,684
  5. Step 5: Solve for x
    x = 23,578,094,892,465,684/130,398,001.80
  6. Step 6: Final answer
    x = 180,816,381.90

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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.