Home / 126,731,053.89-190,118,041.62-43,710,263.49

Finding the Fourth Proportional to 126,731,053.89, 190,118,041.62 and 43,710,263.49

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Solution

The fourth proportional to 126,731,053.89, 190,118,041.62 and 43,710,263.49 is: 65,572,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731,053.89 : 190,118,041.62 = 43,710,263.49 : x
  2. Step 2: Convert to fraction form
    126,731,053.89/190,118,041.62 = 43,710,263.49/x
  3. Step 3: Cross multiply
    126,731,053.89x = 190,118,041.62 × 43,710,263.49
  4. Step 4: Simplify right side
    126,731,053.89x = 8,310,109,693,412,987
  5. Step 5: Solve for x
    x = 8,310,109,693,412,987/126,731,053.89
  6. Step 6: Final answer
    x = 65,572,797.18

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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.