Home / 219,411,416.40-302,818,600.80-135,806,363.52

Finding the Fourth Proportional to 219,411,416.40, 302,818,600.80 and 135,806,363.52

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Solution

The fourth proportional to 219,411,416.40, 302,818,600.80 and 135,806,363.52 is: 187,431,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411,416.40 : 302,818,600.80 = 135,806,363.52 : x
  2. Step 2: Convert to fraction form
    219,411,416.40/302,818,600.80 = 135,806,363.52/x
  3. Step 3: Cross multiply
    219,411,416.40x = 302,818,600.80 × 135,806,363.52
  4. Step 4: Simplify right side
    219,411,416.40x = 41,124,692,980,862,568
  5. Step 5: Solve for x
    x = 41,124,692,980,862,568/219,411,416.40
  6. Step 6: Final answer
    x = 187,431,874.13

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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.