Home / 60,387,604.80-90,628,646.40-28,043,515.05

Finding the Fourth Proportional to 60,387,604.80, 90,628,646.40 and 28,043,515.05

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Solution

The fourth proportional to 60,387,604.80, 90,628,646.40 and 28,043,515.05 is: 42,087,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,387,604.80 : 90,628,646.40 = 28,043,515.05 : x
  2. Step 2: Convert to fraction form
    60,387,604.80/90,628,646.40 = 28,043,515.05/x
  3. Step 3: Cross multiply
    60,387,604.80x = 90,628,646.40 × 28,043,515.05
  4. Step 4: Simplify right side
    60,387,604.80x = 2,541,545,809,279,528.50
  5. Step 5: Solve for x
    x = 2,541,545,809,279,528.50/60,387,604.80
  6. Step 6: Final answer
    x = 42,087,210.08

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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.