Home / 30,122,026.20-45,183,039.30-28,043,501.40

Finding the Fourth Proportional to 30,122,026.20, 45,183,039.30 and 28,043,501.40

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Solution

The fourth proportional to 30,122,026.20, 45,183,039.30 and 28,043,501.40 is: 42,065,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122,026.20 : 45,183,039.30 = 28,043,501.40 : x
  2. Step 2: Convert to fraction form
    30,122,026.20/45,183,039.30 = 28,043,501.40/x
  3. Step 3: Cross multiply
    30,122,026.20x = 45,183,039.30 × 28,043,501.40
  4. Step 4: Simplify right side
    30,122,026.20x = 1,267,090,625,865,804.75
  5. Step 5: Solve for x
    x = 1,267,090,625,865,804.75/30,122,026.20
  6. Step 6: Final answer
    x = 42,065,252.10

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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.