Home / 108,918,018.78-150,306,889.59-59,358,404.22

Finding the Fourth Proportional to 108,918,018.78, 150,306,889.59 and 59,358,404.22

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Solution

The fourth proportional to 108,918,018.78, 150,306,889.59 and 59,358,404.22 is: 81,914,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,018.78 : 150,306,889.59 = 59,358,404.22 : x
  2. Step 2: Convert to fraction form
    108,918,018.78/150,306,889.59 = 59,358,404.22/x
  3. Step 3: Cross multiply
    108,918,018.78x = 150,306,889.59 × 59,358,404.22
  4. Step 4: Simplify right side
    108,918,018.78x = 8,921,977,109,334,130
  5. Step 5: Solve for x
    x = 8,921,977,109,334,130/108,918,018.78
  6. Step 6: Final answer
    x = 81,914,610.73

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1.5x scale

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.