Home / 342,194,661.60-513,417,963.60-112,171,250.40

Finding the Fourth Proportional to 342,194,661.60, 513,417,963.60 and 112,171,250.40

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Solution

The fourth proportional to 342,194,661.60, 513,417,963.60 and 112,171,250.40 is: 168,298,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,194,661.60 : 513,417,963.60 = 112,171,250.40 : x
  2. Step 2: Convert to fraction form
    342,194,661.60/513,417,963.60 = 112,171,250.40/x
  3. Step 3: Cross multiply
    342,194,661.60x = 513,417,963.60 × 112,171,250.40
  4. Step 4: Simplify right side
    342,194,661.60x = 57,590,734,954,833,688
  5. Step 5: Solve for x
    x = 57,590,734,954,833,688/342,194,661.60
  6. Step 6: Final answer
    x = 168,298,168.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.