Home / 42,309,068.60-63,471,568.44-30,148,364.45

Finding the Fourth Proportional to 42,309,068.60, 63,471,568.44 and 30,148,364.45

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Solution

The fourth proportional to 42,309,068.60, 63,471,568.44 and 30,148,364.45 is: 45,228,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309,068.60 : 63,471,568.44 = 30,148,364.45 : x
  2. Step 2: Convert to fraction form
    42,309,068.60/63,471,568.44 = 30,148,364.45/x
  3. Step 3: Cross multiply
    42,309,068.60x = 63,471,568.44 × 30,148,364.45
  4. Step 4: Simplify right side
    42,309,068.60x = 1,913,563,977,542,237.75
  5. Step 5: Solve for x
    x = 1,913,563,977,542,237.75/42,309,068.60
  6. Step 6: Final answer
    x = 45,228,222.72

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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.