Home / 131,464,538.34-181,364,035.71-79,223,887.98

Finding the Fourth Proportional to 131,464,538.34, 181,364,035.71 and 79,223,887.98

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Solution

The fourth proportional to 131,464,538.34, 181,364,035.71 and 79,223,887.98 is: 109,294,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,464,538.34 : 181,364,035.71 = 79,223,887.98 : x
  2. Step 2: Convert to fraction form
    131,464,538.34/181,364,035.71 = 79,223,887.98/x
  3. Step 3: Cross multiply
    131,464,538.34x = 181,364,035.71 × 79,223,887.98
  4. Step 4: Simplify right side
    131,464,538.34x = 14,368,364,048,689,762
  5. Step 5: Solve for x
    x = 14,368,364,048,689,762/131,464,538.34
  6. Step 6: Final answer
    x = 109,294,599.37

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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.