Home / 118,341,479.20-177,512,218.80-77,526,810.40

Finding the Fourth Proportional to 118,341,479.20, 177,512,218.80 and 77,526,810.40

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Solution

The fourth proportional to 118,341,479.20, 177,512,218.80 and 77,526,810.40 is: 116,290,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,479.20 : 177,512,218.80 = 77,526,810.40 : x
  2. Step 2: Convert to fraction form
    118,341,479.20/177,512,218.80 = 77,526,810.40/x
  3. Step 3: Cross multiply
    118,341,479.20x = 177,512,218.80 × 77,526,810.40
  4. Step 4: Simplify right side
    118,341,479.20x = 13,761,956,130,590,918
  5. Step 5: Solve for x
    x = 13,761,956,130,590,918/118,341,479.20
  6. Step 6: Final answer
    x = 116,290,215.60

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1.5x scale

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.