Home / 130,005,329.40-195,007,994.10-43,715,057.40

Finding the Fourth Proportional to 130,005,329.40, 195,007,994.10 and 43,715,057.40

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Solution

The fourth proportional to 130,005,329.40, 195,007,994.10 and 43,715,057.40 is: 65,572,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005,329.40 : 195,007,994.10 = 43,715,057.40 : x
  2. Step 2: Convert to fraction form
    130,005,329.40/195,007,994.10 = 43,715,057.40/x
  3. Step 3: Cross multiply
    130,005,329.40x = 195,007,994.10 × 43,715,057.40
  4. Step 4: Simplify right side
    130,005,329.40x = 8,524,785,655,540,361
  5. Step 5: Solve for x
    x = 8,524,785,655,540,361/130,005,329.40
  6. Step 6: Final answer
    x = 65,572,586.10

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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.