Home / 147,413,463.20-220,256,667.10-142,258,097.90

Finding the Fourth Proportional to 147,413,463.20, 220,256,667.10 and 142,258,097.90

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Solution

The fourth proportional to 147,413,463.20, 220,256,667.10 and 142,258,097.90 is: 212,553,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413,463.20 : 220,256,667.10 = 142,258,097.90 : x
  2. Step 2: Convert to fraction form
    147,413,463.20/220,256,667.10 = 142,258,097.90/x
  3. Step 3: Cross multiply
    147,413,463.20x = 220,256,667.10 × 142,258,097.90
  4. Step 4: Simplify right side
    147,413,463.20x = 31,333,294,511,439,508
  5. Step 5: Solve for x
    x = 31,333,294,511,439,508/147,413,463.20
  6. Step 6: Final answer
    x = 212,553,818.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.