Home / 126,787,303.76-190,171,653.60-40,502,543.04

Finding the Fourth Proportional to 126,787,303.76, 190,171,653.60 and 40,502,543.04

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Solution

The fourth proportional to 126,787,303.76, 190,171,653.60 and 40,502,543.04 is: 60,750,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,787,303.76 : 190,171,653.60 = 40,502,543.04 : x
  2. Step 2: Convert to fraction form
    126,787,303.76/190,171,653.60 = 40,502,543.04/x
  3. Step 3: Cross multiply
    126,787,303.76x = 190,171,653.60 × 40,502,543.04
  4. Step 4: Simplify right side
    126,787,303.76x = 7,702,435,584,921,971
  5. Step 5: Solve for x
    x = 7,702,435,584,921,971/126,787,303.76
  6. Step 6: Final answer
    x = 60,750,843.00

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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.