Home / 219,411,153.94-302,818,239.72-135,806,102.42

Finding the Fourth Proportional to 219,411,153.94, 302,818,239.72 and 135,806,102.42

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Solution

The fourth proportional to 219,411,153.94, 302,818,239.72 and 135,806,102.42 is: 187,431,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411,153.94 : 302,818,239.72 = 135,806,102.42 : x
  2. Step 2: Convert to fraction form
    219,411,153.94/302,818,239.72 = 135,806,102.42/x
  3. Step 3: Cross multiply
    219,411,153.94x = 302,818,239.72 × 135,806,102.42
  4. Step 4: Simplify right side
    219,411,153.94x = 41,124,564,878,058,432
  5. Step 5: Solve for x
    x = 41,124,564,878,058,432/219,411,153.94
  6. Step 6: Final answer
    x = 187,431,514.49

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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.