Home / 189,280,930.60-283,900,400.70-155,142,735.40

Finding the Fourth Proportional to 189,280,930.60, 283,900,400.70 and 155,142,735.40

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Solution

The fourth proportional to 189,280,930.60, 283,900,400.70 and 155,142,735.40 is: 232,696,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280,930.60 : 283,900,400.70 = 155,142,735.40 : x
  2. Step 2: Convert to fraction form
    189,280,930.60/283,900,400.70 = 155,142,735.40/x
  3. Step 3: Cross multiply
    189,280,930.60x = 283,900,400.70 × 155,142,735.40
  4. Step 4: Simplify right side
    189,280,930.60x = 44,045,084,745,754,072
  5. Step 5: Solve for x
    x = 44,045,084,745,754,072/189,280,930.60
  6. Step 6: Final answer
    x = 232,696,894.54

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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.