Home / 100,048,331.93-138,071,013.14-55,394,303.76

Finding the Fourth Proportional to 100,048,331.93, 138,071,013.14 and 55,394,303.76

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Solution

The fourth proportional to 100,048,331.93, 138,071,013.14 and 55,394,303.76 is: 76,446,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048,331.93 : 138,071,013.14 = 55,394,303.76 : x
  2. Step 2: Convert to fraction form
    100,048,331.93/138,071,013.14 = 55,394,303.76/x
  3. Step 3: Cross multiply
    100,048,331.93x = 138,071,013.14 × 55,394,303.76
  4. Step 4: Simplify right side
    100,048,331.93x = 7,648,347,642,466,598
  5. Step 5: Solve for x
    x = 7,648,347,642,466,598/100,048,331.93
  6. Step 6: Final answer
    x = 76,446,528.35

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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.