Home / 117,835,403.20-162,617,901.24-65,624,438.80

Finding the Fourth Proportional to 117,835,403.20, 162,617,901.24 and 65,624,438.80

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Solution

The fourth proportional to 117,835,403.20, 162,617,901.24 and 65,624,438.80 is: 90,564,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835,403.20 : 162,617,901.24 = 65,624,438.80 : x
  2. Step 2: Convert to fraction form
    117,835,403.20/162,617,901.24 = 65,624,438.80/x
  3. Step 3: Cross multiply
    117,835,403.20x = 162,617,901.24 × 65,624,438.80
  4. Step 4: Simplify right side
    117,835,403.20x = 10,671,708,507,708,824
  5. Step 5: Solve for x
    x = 10,671,708,507,708,824/117,835,403.20
  6. Step 6: Final answer
    x = 90,564,535.09

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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.