Home / 307,488,315.68-424,333,871.28-168,259,073.36

Finding the Fourth Proportional to 307,488,315.68, 424,333,871.28 and 168,259,073.36

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Solution

The fourth proportional to 307,488,315.68, 424,333,871.28 and 168,259,073.36 is: 232,197,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,488,315.68 : 424,333,871.28 = 168,259,073.36 : x
  2. Step 2: Convert to fraction form
    307,488,315.68/424,333,871.28 = 168,259,073.36/x
  3. Step 3: Cross multiply
    307,488,315.68x = 424,333,871.28 × 168,259,073.36
  4. Step 4: Simplify right side
    307,488,315.68x = 71,398,023,976,834,320
  5. Step 5: Solve for x
    x = 71,398,023,976,834,320/307,488,315.68
  6. Step 6: Final answer
    x = 232,197,518.85

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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.