Home / 90,527,198.18-124,930,209.92-64,112,809.02

Finding the Fourth Proportional to 90,527,198.18, 124,930,209.92 and 64,112,809.02

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Solution

The fourth proportional to 90,527,198.18, 124,930,209.92 and 64,112,809.02 is: 88,477,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527,198.18 : 124,930,209.92 = 64,112,809.02 : x
  2. Step 2: Convert to fraction form
    90,527,198.18/124,930,209.92 = 64,112,809.02/x
  3. Step 3: Cross multiply
    90,527,198.18x = 124,930,209.92 × 64,112,809.02
  4. Step 4: Simplify right side
    90,527,198.18x = 8,009,626,689,429,470
  5. Step 5: Solve for x
    x = 8,009,626,689,429,470/90,527,198.18
  6. Step 6: Final answer
    x = 88,477,571.94

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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.