Home / 71,866,030.80-107,799,046.20-26,421,920.40

Finding the Fourth Proportional to 71,866,030.80, 107,799,046.20 and 26,421,920.40

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Solution

The fourth proportional to 71,866,030.80, 107,799,046.20 and 26,421,920.40 is: 39,632,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,866,030.80 : 107,799,046.20 = 26,421,920.40 : x
  2. Step 2: Convert to fraction form
    71,866,030.80/107,799,046.20 = 26,421,920.40/x
  3. Step 3: Cross multiply
    71,866,030.80x = 107,799,046.20 × 26,421,920.40
  4. Step 4: Simplify right side
    71,866,030.80x = 2,848,257,817,892,322.50
  5. Step 5: Solve for x
    x = 2,848,257,817,892,322.50/71,866,030.80
  6. Step 6: Final answer
    x = 39,632,880.60

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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.