Home / 146,139,120.60-201,671,969.64-87,401,776.29

Finding the Fourth Proportional to 146,139,120.60, 201,671,969.64 and 87,401,776.29

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Solution

The fourth proportional to 146,139,120.60, 201,671,969.64 and 87,401,776.29 is: 120,614,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,139,120.60 : 201,671,969.64 = 87,401,776.29 : x
  2. Step 2: Convert to fraction form
    146,139,120.60/201,671,969.64 = 87,401,776.29/x
  3. Step 3: Cross multiply
    146,139,120.60x = 201,671,969.64 × 87,401,776.29
  4. Step 4: Simplify right side
    146,139,120.60x = 17,626,488,374,438,952
  5. Step 5: Solve for x
    x = 17,626,488,374,438,952/146,139,120.60
  6. Step 6: Final answer
    x = 120,614,441.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.