Home / 42,768,187.20-64,152,280.80-14,015,260.80

Finding the Fourth Proportional to 42,768,187.20, 64,152,280.80 and 14,015,260.80

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Solution

The fourth proportional to 42,768,187.20, 64,152,280.80 and 14,015,260.80 is: 21,022,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,187.20 : 64,152,280.80 = 14,015,260.80 : x
  2. Step 2: Convert to fraction form
    42,768,187.20/64,152,280.80 = 14,015,260.80/x
  3. Step 3: Cross multiply
    42,768,187.20x = 64,152,280.80 × 14,015,260.80
  4. Step 4: Simplify right side
    42,768,187.20x = 899,110,946,326,832.62
  5. Step 5: Solve for x
    x = 899,110,946,326,832.62/42,768,187.20
  6. Step 6: Final answer
    x = 21,022,891.20

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1.5x scale

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.