Home / 149,564,360.03-206,433,254.43-87,704,627.63

Finding the Fourth Proportional to 149,564,360.03, 206,433,254.43 and 87,704,627.63

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Solution

The fourth proportional to 149,564,360.03, 206,433,254.43 and 87,704,627.63 is: 121,052,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,564,360.03 : 206,433,254.43 = 87,704,627.63 : x
  2. Step 2: Convert to fraction form
    149,564,360.03/206,433,254.43 = 87,704,627.63/x
  3. Step 3: Cross multiply
    149,564,360.03x = 206,433,254.43 × 87,704,627.63
  4. Step 4: Simplify right side
    149,564,360.03x = 18,105,151,709,200,032
  5. Step 5: Solve for x
    x = 18,105,151,709,200,032/149,564,360.03
  6. Step 6: Final answer
    x = 121,052,580.35

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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.