Home / 72,908,238.75-100,565,961.70-46,761,341.55

Finding the Fourth Proportional to 72,908,238.75, 100,565,961.70 and 46,761,341.55

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Solution

The fourth proportional to 72,908,238.75, 100,565,961.70 and 46,761,341.55 is: 64,500,245.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,238.75 : 100,565,961.70 = 46,761,341.55 : x
  2. Step 2: Convert to fraction form
    72,908,238.75/100,565,961.70 = 46,761,341.55/x
  3. Step 3: Cross multiply
    72,908,238.75x = 100,565,961.70 × 46,761,341.55
  4. Step 4: Simplify right side
    72,908,238.75x = 4,702,599,283,357,918
  5. Step 5: Solve for x
    x = 4,702,599,283,357,918/72,908,238.75
  6. Step 6: Final answer
    x = 64,500,245.29

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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.