Home / 108,302,740.15-162,438,130.53-31,605,175.03

Finding the Fourth Proportional to 108,302,740.15, 162,438,130.53 and 31,605,175.03

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Solution

The fourth proportional to 108,302,740.15, 162,438,130.53 and 31,605,175.03 is: 47,403,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,302,740.15 : 162,438,130.53 = 31,605,175.03 : x
  2. Step 2: Convert to fraction form
    108,302,740.15/162,438,130.53 = 31,605,175.03/x
  3. Step 3: Cross multiply
    108,302,740.15x = 162,438,130.53 × 31,605,175.03
  4. Step 4: Simplify right side
    108,302,740.15x = 5,133,885,546,946,637
  5. Step 5: Solve for x
    x = 5,133,885,546,946,637/108,302,740.15
  6. Step 6: Final answer
    x = 47,403,099.31

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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.