Home / 144,433,320.40-216,524,009.40-86,948,462.80

Finding the Fourth Proportional to 144,433,320.40, 216,524,009.40 and 86,948,462.80

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Solution

The fourth proportional to 144,433,320.40, 216,524,009.40 and 86,948,462.80 is: 130,346,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,433,320.40 : 216,524,009.40 = 86,948,462.80 : x
  2. Step 2: Convert to fraction form
    144,433,320.40/216,524,009.40 = 86,948,462.80/x
  3. Step 3: Cross multiply
    144,433,320.40x = 216,524,009.40 × 86,948,462.80
  4. Step 4: Simplify right side
    144,433,320.40x = 18,826,429,776,622,752
  5. Step 5: Solve for x
    x = 18,826,429,776,622,752/144,433,320.40
  6. Step 6: Final answer
    x = 130,346,859.88

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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.