Home / 157,464,609.15-236,196,913.73-138,970,462.35

Finding the Fourth Proportional to 157,464,609.15, 236,196,913.73 and 138,970,462.35

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Solution

The fourth proportional to 157,464,609.15, 236,196,913.73 and 138,970,462.35 is: 208,455,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,609.15 : 236,196,913.73 = 138,970,462.35 : x
  2. Step 2: Convert to fraction form
    157,464,609.15/236,196,913.73 = 138,970,462.35/x
  3. Step 3: Cross multiply
    157,464,609.15x = 236,196,913.73 × 138,970,462.35
  4. Step 4: Simplify right side
    157,464,609.15x = 32,824,394,306,006,308
  5. Step 5: Solve for x
    x = 32,824,394,306,006,308/157,464,609.15
  6. Step 6: Final answer
    x = 208,455,693.53

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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.