Home / 71,208,209.20-106,765,657.80-28,051,409.20

Finding the Fourth Proportional to 71,208,209.20, 106,765,657.80 and 28,051,409.20

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Solution

The fourth proportional to 71,208,209.20, 106,765,657.80 and 28,051,409.20 is: 42,058,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208,209.20 : 106,765,657.80 = 28,051,409.20 : x
  2. Step 2: Convert to fraction form
    71,208,209.20/106,765,657.80 = 28,051,409.20/x
  3. Step 3: Cross multiply
    71,208,209.20x = 106,765,657.80 × 28,051,409.20
  4. Step 4: Simplify right side
    71,208,209.20x = 2,994,927,155,454,971.50
  5. Step 5: Solve for x
    x = 2,994,927,155,454,971.50/71,208,209.20
  6. Step 6: Final answer
    x = 42,058,734.37

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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.