Home / 103,368,362.10-142,651,382.48-56,961,605.35

Finding the Fourth Proportional to 103,368,362.10, 142,651,382.48 and 56,961,605.35

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Solution

The fourth proportional to 103,368,362.10, 142,651,382.48 and 56,961,605.35 is: 78,608,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368,362.10 : 142,651,382.48 = 56,961,605.35 : x
  2. Step 2: Convert to fraction form
    103,368,362.10/142,651,382.48 = 56,961,605.35/x
  3. Step 3: Cross multiply
    103,368,362.10x = 142,651,382.48 × 56,961,605.35
  4. Step 4: Simplify right side
    103,368,362.10x = 8,125,651,751,457,664
  5. Step 5: Solve for x
    x = 8,125,651,751,457,664/103,368,362.10
  6. Step 6: Final answer
    x = 78,608,692.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.