Home / 119,423,100.40-164,786,103.47-67,209,022.15

Finding the Fourth Proportional to 119,423,100.40, 164,786,103.47 and 67,209,022.15

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Solution

The fourth proportional to 119,423,100.40, 164,786,103.47 and 67,209,022.15 is: 92,738,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,423,100.40 : 164,786,103.47 = 67,209,022.15 : x
  2. Step 2: Convert to fraction form
    119,423,100.40/164,786,103.47 = 67,209,022.15/x
  3. Step 3: Cross multiply
    119,423,100.40x = 164,786,103.47 × 67,209,022.15
  4. Step 4: Simplify right side
    119,423,100.40x = 11,075,112,877,883,478
  5. Step 5: Solve for x
    x = 11,075,112,877,883,478/119,423,100.40
  6. Step 6: Final answer
    x = 92,738,447.09

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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.