Home / 42,005,254.20-63,021,878.10-37,489,990.20

Finding the Fourth Proportional to 42,005,254.20, 63,021,878.10 and 37,489,990.20

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Solution

The fourth proportional to 42,005,254.20, 63,021,878.10 and 37,489,990.20 is: 56,247,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005,254.20 : 63,021,878.10 = 37,489,990.20 : x
  2. Step 2: Convert to fraction form
    42,005,254.20/63,021,878.10 = 37,489,990.20/x
  3. Step 3: Cross multiply
    42,005,254.20x = 63,021,878.10 × 37,489,990.20
  4. Step 4: Simplify right side
    42,005,254.20x = 2,362,689,592,354,595
  5. Step 5: Solve for x
    x = 2,362,689,592,354,595/42,005,254.20
  6. Step 6: Final answer
    x = 56,247,477.54

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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.