Home / 103,631,826-155,501,537.94-42,266,005.68

Finding the Fourth Proportional to 103,631,826, 155,501,537.94 and 42,266,005.68

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Solution

The fourth proportional to 103,631,826, 155,501,537.94 and 42,266,005.68 is: 63,420,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631,826 : 155,501,537.94 = 42,266,005.68 : x
  2. Step 2: Convert to fraction form
    103,631,826/155,501,537.94 = 42,266,005.68/x
  3. Step 3: Cross multiply
    103,631,826x = 155,501,537.94 × 42,266,005.68
  4. Step 4: Simplify right side
    103,631,826x = 6,572,428,885,820,775
  5. Step 5: Solve for x
    x = 6,572,428,885,820,775/103,631,826
  6. Step 6: Final answer
    x = 63,420,950.30

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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.