Home / 74,657,638.10-111,986,457.15-20,804,950.10

Finding the Fourth Proportional to 74,657,638.10, 111,986,457.15 and 20,804,950.10

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Solution

The fourth proportional to 74,657,638.10, 111,986,457.15 and 20,804,950.10 is: 31,207,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657,638.10 : 111,986,457.15 = 20,804,950.10 : x
  2. Step 2: Convert to fraction form
    74,657,638.10/111,986,457.15 = 20,804,950.10/x
  3. Step 3: Cross multiply
    74,657,638.10x = 111,986,457.15 × 20,804,950.10
  4. Step 4: Simplify right side
    74,657,638.10x = 2,329,872,652,881,538.50
  5. Step 5: Solve for x
    x = 2,329,872,652,881,538.50/74,657,638.10
  6. Step 6: Final answer
    x = 31,207,425.15

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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.