Home / 98,918,203.56-136,523,467.08-54,879,390.78

Finding the Fourth Proportional to 98,918,203.56, 136,523,467.08 and 54,879,390.78

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Solution

The fourth proportional to 98,918,203.56, 136,523,467.08 and 54,879,390.78 is: 75,742,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,918,203.56 : 136,523,467.08 = 54,879,390.78 : x
  2. Step 2: Convert to fraction form
    98,918,203.56/136,523,467.08 = 54,879,390.78/x
  3. Step 3: Cross multiply
    98,918,203.56x = 136,523,467.08 × 54,879,390.78
  4. Step 4: Simplify right side
    98,918,203.56x = 7,492,324,700,523,786
  5. Step 5: Solve for x
    x = 7,492,324,700,523,786/98,918,203.56
  6. Step 6: Final answer
    x = 75,742,628.06

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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.