Home / 255,267,615.11-383,012,796.56-89,390,175.57

Finding the Fourth Proportional to 255,267,615.11, 383,012,796.56 and 89,390,175.57

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Solution

The fourth proportional to 255,267,615.11, 383,012,796.56 and 89,390,175.57 is: 134,124,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,267,615.11 : 383,012,796.56 = 89,390,175.57 : x
  2. Step 2: Convert to fraction form
    255,267,615.11/383,012,796.56 = 89,390,175.57/x
  3. Step 3: Cross multiply
    255,267,615.11x = 383,012,796.56 × 89,390,175.57
  4. Step 4: Simplify right side
    255,267,615.11x = 34,237,581,130,055,088
  5. Step 5: Solve for x
    x = 34,237,581,130,055,088/255,267,615.11
  6. Step 6: Final answer
    x = 134,124,264.51

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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.