Home / 72,321,389.58-99,804,832.58-40,965,948.98

Finding the Fourth Proportional to 72,321,389.58, 99,804,832.58 and 40,965,948.98

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Solution

The fourth proportional to 72,321,389.58, 99,804,832.58 and 40,965,948.98 is: 56,533,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,321,389.58 : 99,804,832.58 = 40,965,948.98 : x
  2. Step 2: Convert to fraction form
    72,321,389.58/99,804,832.58 = 40,965,948.98/x
  3. Step 3: Cross multiply
    72,321,389.58x = 99,804,832.58 × 40,965,948.98
  4. Step 4: Simplify right side
    72,321,389.58x = 4,088,599,679,033,112.50
  5. Step 5: Solve for x
    x = 4,088,599,679,033,112.50/72,321,389.58
  6. Step 6: Final answer
    x = 56,533,754.44

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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.