Home / 108,630,143.94-149,905,037.14-61,590,382.74

Finding the Fourth Proportional to 108,630,143.94, 149,905,037.14 and 61,590,382.74

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Solution

The fourth proportional to 108,630,143.94, 149,905,037.14 and 61,590,382.74 is: 84,992,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,143.94 : 149,905,037.14 = 61,590,382.74 : x
  2. Step 2: Convert to fraction form
    108,630,143.94/149,905,037.14 = 61,590,382.74/x
  3. Step 3: Cross multiply
    108,630,143.94x = 149,905,037.14 × 61,590,382.74
  4. Step 4: Simplify right side
    108,630,143.94x = 9,232,708,611,798,562
  5. Step 5: Solve for x
    x = 9,232,708,611,798,562/108,630,143.94
  6. Step 6: Final answer
    x = 84,992,141.93

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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.