Home / 42,139,274.40-63,102,623.40-33,636,218.40

Finding the Fourth Proportional to 42,139,274.40, 63,102,623.40 and 33,636,218.40

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Solution

The fourth proportional to 42,139,274.40, 63,102,623.40 and 33,636,218.40 is: 50,369,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139,274.40 : 63,102,623.40 = 33,636,218.40 : x
  2. Step 2: Convert to fraction form
    42,139,274.40/63,102,623.40 = 33,636,218.40/x
  3. Step 3: Cross multiply
    42,139,274.40x = 63,102,623.40 × 33,636,218.40
  4. Step 4: Simplify right side
    42,139,274.40x = 2,122,533,622,295,350.50
  5. Step 5: Solve for x
    x = 2,122,533,622,295,350.50/42,139,274.40
  6. Step 6: Final answer
    x = 50,369,486.72

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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.