Home / 129,991,014.81-179,283,001.59-114,276,439.31

Finding the Fourth Proportional to 129,991,014.81, 179,283,001.59 and 114,276,439.31

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Solution

The fourth proportional to 129,991,014.81, 179,283,001.59 and 114,276,439.31 is: 157,609,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,991,014.81 : 179,283,001.59 = 114,276,439.31 : x
  2. Step 2: Convert to fraction form
    129,991,014.81/179,283,001.59 = 114,276,439.31/x
  3. Step 3: Cross multiply
    129,991,014.81x = 179,283,001.59 × 114,276,439.31
  4. Step 4: Simplify right side
    129,991,014.81x = 20,487,823,049,617,856
  5. Step 5: Solve for x
    x = 20,487,823,049,617,856/129,991,014.81
  6. Step 6: Final answer
    x = 157,609,532.32

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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.