Home / 42,703,280.60-64,054,920.90-40,719,234.20

Finding the Fourth Proportional to 42,703,280.60, 64,054,920.90 and 40,719,234.20

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Solution

The fourth proportional to 42,703,280.60, 64,054,920.90 and 40,719,234.20 is: 61,078,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703,280.60 : 64,054,920.90 = 40,719,234.20 : x
  2. Step 2: Convert to fraction form
    42,703,280.60/64,054,920.90 = 40,719,234.20/x
  3. Step 3: Cross multiply
    42,703,280.60x = 64,054,920.90 × 40,719,234.20
  4. Step 4: Simplify right side
    42,703,280.60x = 2,608,267,325,789,575
  5. Step 5: Solve for x
    x = 2,608,267,325,789,575/42,703,280.60
  6. Step 6: Final answer
    x = 61,078,851.30

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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.