Home / 118,341,608.20-177,512,412.30-77,526,939.40

Finding the Fourth Proportional to 118,341,608.20, 177,512,412.30 and 77,526,939.40

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Solution

The fourth proportional to 118,341,608.20, 177,512,412.30 and 77,526,939.40 is: 116,290,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,608.20 : 177,512,412.30 = 77,526,939.40 : x
  2. Step 2: Convert to fraction form
    118,341,608.20/177,512,412.30 = 77,526,939.40/x
  3. Step 3: Cross multiply
    118,341,608.20x = 177,512,412.30 × 77,526,939.40
  4. Step 4: Simplify right side
    118,341,608.20x = 13,761,994,031,129,916
  5. Step 5: Solve for x
    x = 13,761,994,031,129,916/118,341,608.20
  6. Step 6: Final answer
    x = 116,290,409.10

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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.