Home / 147,413,462.70-220,256,666.36-142,258,097.40

Finding the Fourth Proportional to 147,413,462.70, 220,256,666.36 and 142,258,097.40

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Solution

The fourth proportional to 147,413,462.70, 220,256,666.36 and 142,258,097.40 is: 212,553,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413,462.70 : 220,256,666.36 = 142,258,097.40 : x
  2. Step 2: Convert to fraction form
    147,413,462.70/220,256,666.36 = 142,258,097.40/x
  3. Step 3: Cross multiply
    147,413,462.70x = 220,256,666.36 × 142,258,097.40
  4. Step 4: Simplify right side
    147,413,462.70x = 31,333,294,295,328,892
  5. Step 5: Solve for x
    x = 31,333,294,295,328,892/147,413,462.70
  6. Step 6: Final answer
    x = 212,553,817.82

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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.