Home / 130,160,949.64-179,621,617.75-71,424,597.69

Finding the Fourth Proportional to 130,160,949.64, 179,621,617.75 and 71,424,597.69

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Solution

The fourth proportional to 130,160,949.64, 179,621,617.75 and 71,424,597.69 is: 98,565,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,949.64 : 179,621,617.75 = 71,424,597.69 : x
  2. Step 2: Convert to fraction form
    130,160,949.64/179,621,617.75 = 71,424,597.69/x
  3. Step 3: Cross multiply
    130,160,949.64x = 179,621,617.75 × 71,424,597.69
  4. Step 4: Simplify right side
    130,160,949.64x = 12,829,401,784,042,152
  5. Step 5: Solve for x
    x = 12,829,401,784,042,152/130,160,949.64
  6. Step 6: Final answer
    x = 98,565,674.42

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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.