Home / 82,997,788.20-124,496,682.30-42,687,004.20

Finding the Fourth Proportional to 82,997,788.20, 124,496,682.30 and 42,687,004.20

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Solution

The fourth proportional to 82,997,788.20, 124,496,682.30 and 42,687,004.20 is: 64,030,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,997,788.20 : 124,496,682.30 = 42,687,004.20 : x
  2. Step 2: Convert to fraction form
    82,997,788.20/124,496,682.30 = 42,687,004.20/x
  3. Step 3: Cross multiply
    82,997,788.20x = 124,496,682.30 × 42,687,004.20
  4. Step 4: Simplify right side
    82,997,788.20x = 5,314,390,400,226,166
  5. Step 5: Solve for x
    x = 5,314,390,400,226,166/82,997,788.20
  6. Step 6: Final answer
    x = 64,030,506.30

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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.