Home / 130,385,064.04-179,932,820.58-71,647,744.36

Finding the Fourth Proportional to 130,385,064.04, 179,932,820.58 and 71,647,744.36

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Solution

The fourth proportional to 130,385,064.04, 179,932,820.58 and 71,647,744.36 is: 98,874,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,064.04 : 179,932,820.58 = 71,647,744.36 : x
  2. Step 2: Convert to fraction form
    130,385,064.04/179,932,820.58 = 71,647,744.36/x
  3. Step 3: Cross multiply
    130,385,064.04x = 179,932,820.58 × 71,647,744.36
  4. Step 4: Simplify right side
    130,385,064.04x = 12,891,780,730,889,588
  5. Step 5: Solve for x
    x = 12,891,780,730,889,588/130,385,064.04
  6. Step 6: Final answer
    x = 98,874,674.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.