Home / 157,485,801.70-236,228,702.55-145,014,652.90

Finding the Fourth Proportional to 157,485,801.70, 236,228,702.55 and 145,014,652.90

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Solution

The fourth proportional to 157,485,801.70, 236,228,702.55 and 145,014,652.90 is: 217,521,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,485,801.70 : 236,228,702.55 = 145,014,652.90 : x
  2. Step 2: Convert to fraction form
    157,485,801.70/236,228,702.55 = 145,014,652.90/x
  3. Step 3: Cross multiply
    157,485,801.70x = 236,228,702.55 × 145,014,652.90
  4. Step 4: Simplify right side
    157,485,801.70x = 34,256,623,305,305,600
  5. Step 5: Solve for x
    x = 34,256,623,305,305,600/157,485,801.70
  6. Step 6: Final answer
    x = 217,521,979.35

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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.