Home / 126,110,028.24-174,043,818.05-79,074,547.29

Finding the Fourth Proportional to 126,110,028.24, 174,043,818.05 and 79,074,547.29

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Solution

The fourth proportional to 126,110,028.24, 174,043,818.05 and 79,074,547.29 is: 109,130,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110,028.24 : 174,043,818.05 = 79,074,547.29 : x
  2. Step 2: Convert to fraction form
    126,110,028.24/174,043,818.05 = 79,074,547.29/x
  3. Step 3: Cross multiply
    126,110,028.24x = 174,043,818.05 × 79,074,547.29
  4. Step 4: Simplify right side
    126,110,028.24x = 13,762,436,120,531,508
  5. Step 5: Solve for x
    x = 13,762,436,120,531,508/126,110,028.24
  6. Step 6: Final answer
    x = 109,130,386.48

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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.