Home / 74,657,262.10-111,985,893.15-20,804,574.10

Finding the Fourth Proportional to 74,657,262.10, 111,985,893.15 and 20,804,574.10

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Solution

The fourth proportional to 74,657,262.10, 111,985,893.15 and 20,804,574.10 is: 31,206,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657,262.10 : 111,985,893.15 = 20,804,574.10 : x
  2. Step 2: Convert to fraction form
    74,657,262.10/111,985,893.15 = 20,804,574.10/x
  3. Step 3: Cross multiply
    74,657,262.10x = 111,985,893.15 × 20,804,574.10
  4. Step 4: Simplify right side
    74,657,262.10x = 2,329,818,812,193,857.50
  5. Step 5: Solve for x
    x = 2,329,818,812,193,857.50/74,657,262.10
  6. Step 6: Final answer
    x = 31,206,861.15

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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.