Home / 117,879,713.34-161,495,783.53-113,461,609.26

Finding the Fourth Proportional to 117,879,713.34, 161,495,783.53 and 113,461,609.26

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Solution

The fourth proportional to 117,879,713.34, 161,495,783.53 and 113,461,609.26 is: 155,442,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,879,713.34 : 161,495,783.53 = 113,461,609.26 : x
  2. Step 2: Convert to fraction form
    117,879,713.34/161,495,783.53 = 113,461,609.26/x
  3. Step 3: Cross multiply
    117,879,713.34x = 161,495,783.53 × 113,461,609.26
  4. Step 4: Simplify right side
    117,879,713.34x = 18,323,571,487,734,752
  5. Step 5: Solve for x
    x = 18,323,571,487,734,752/117,879,713.34
  6. Step 6: Final answer
    x = 155,442,959.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.