Home / 124,525,206.20-186,867,525.45-72,709,708.70

Finding the Fourth Proportional to 124,525,206.20, 186,867,525.45 and 72,709,708.70

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Solution

The fourth proportional to 124,525,206.20, 186,867,525.45 and 72,709,708.70 is: 109,111,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,206.20 : 186,867,525.45 = 72,709,708.70 : x
  2. Step 2: Convert to fraction form
    124,525,206.20/186,867,525.45 = 72,709,708.70/x
  3. Step 3: Cross multiply
    124,525,206.20x = 186,867,525.45 × 72,709,708.70
  4. Step 4: Simplify right side
    124,525,206.20x = 13,587,083,340,959,336
  5. Step 5: Solve for x
    x = 13,587,083,340,959,336/124,525,206.20
  6. Step 6: Final answer
    x = 109,111,108.95

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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.