Home / 124,241,094.12-171,462,959.68-71,328,012.92

Finding the Fourth Proportional to 124,241,094.12, 171,462,959.68 and 71,328,012.92

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Solution

The fourth proportional to 124,241,094.12, 171,462,959.68 and 71,328,012.92 is: 98,438,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,241,094.12 : 171,462,959.68 = 71,328,012.92 : x
  2. Step 2: Convert to fraction form
    124,241,094.12/171,462,959.68 = 71,328,012.92/x
  3. Step 3: Cross multiply
    124,241,094.12x = 171,462,959.68 × 71,328,012.92
  4. Step 4: Simplify right side
    124,241,094.12x = 12,230,112,203,356,480
  5. Step 5: Solve for x
    x = 12,230,112,203,356,480/124,241,094.12
  6. Step 6: Final answer
    x = 98,438,542.34

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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.