Home / 72,174,736.38-99,603,094.67-40,817,474.50

Finding the Fourth Proportional to 72,174,736.38, 99,603,094.67 and 40,817,474.50

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Solution

The fourth proportional to 72,174,736.38, 99,603,094.67 and 40,817,474.50 is: 56,329,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,174,736.38 : 99,603,094.67 = 40,817,474.50 : x
  2. Step 2: Convert to fraction form
    72,174,736.38/99,603,094.67 = 40,817,474.50/x
  3. Step 3: Cross multiply
    72,174,736.38x = 99,603,094.67 × 40,817,474.50
  4. Step 4: Simplify right side
    72,174,736.38x = 4,065,546,776,439,310
  5. Step 5: Solve for x
    x = 4,065,546,776,439,310/72,174,736.38
  6. Step 6: Final answer
    x = 56,329,222.39

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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.