Home / 74,934,520.36-112,227,180.01-72,865,886.26

Finding the Fourth Proportional to 74,934,520.36, 112,227,180.01 and 72,865,886.26

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Solution

The fourth proportional to 74,934,520.36, 112,227,180.01 and 72,865,886.26 is: 109,129,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934,520.36 : 112,227,180.01 = 72,865,886.26 : x
  2. Step 2: Convert to fraction form
    74,934,520.36/112,227,180.01 = 72,865,886.26/x
  3. Step 3: Cross multiply
    74,934,520.36x = 112,227,180.01 × 72,865,886.26
  4. Step 4: Simplify right side
    74,934,520.36x = 8,177,532,933,889,207
  5. Step 5: Solve for x
    x = 8,177,532,933,889,207/74,934,520.36
  6. Step 6: Final answer
    x = 109,129,048.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.