Home / 219,411,142.43-302,818,223.84-135,806,090.90

Finding the Fourth Proportional to 219,411,142.43, 302,818,223.84 and 135,806,090.90

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Solution

The fourth proportional to 219,411,142.43, 302,818,223.84 and 135,806,090.90 is: 187,431,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411,142.43 : 302,818,223.84 = 135,806,090.90 : x
  2. Step 2: Convert to fraction form
    219,411,142.43/302,818,223.84 = 135,806,090.90/x
  3. Step 3: Cross multiply
    219,411,142.43x = 302,818,223.84 × 135,806,090.90
  4. Step 4: Simplify right side
    219,411,142.43x = 41,124,559,230,798,464
  5. Step 5: Solve for x
    x = 41,124,559,230,798,464/219,411,142.43
  6. Step 6: Final answer
    x = 187,431,498.58

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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.