Home / 117,879,725.59-161,495,800.30-113,461,621.50

Finding the Fourth Proportional to 117,879,725.59, 161,495,800.30 and 113,461,621.50

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Solution

The fourth proportional to 117,879,725.59, 161,495,800.30 and 113,461,621.50 is: 155,442,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,879,725.59 : 161,495,800.30 = 113,461,621.50 : x
  2. Step 2: Convert to fraction form
    117,879,725.59/161,495,800.30 = 113,461,621.50/x
  3. Step 3: Cross multiply
    117,879,725.59x = 161,495,800.30 × 113,461,621.50
  4. Step 4: Simplify right side
    117,879,725.59x = 18,323,575,367,478,188
  5. Step 5: Solve for x
    x = 18,323,575,367,478,188/117,879,725.59
  6. Step 6: Final answer
    x = 155,442,976.10

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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.