Home / 117,289,510.40-175,934,265.60-74,018,403.20

Finding the Fourth Proportional to 117,289,510.40, 175,934,265.60 and 74,018,403.20

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Solution

The fourth proportional to 117,289,510.40, 175,934,265.60 and 74,018,403.20 is: 111,027,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,289,510.40 : 175,934,265.60 = 74,018,403.20 : x
  2. Step 2: Convert to fraction form
    117,289,510.40/175,934,265.60 = 74,018,403.20/x
  3. Step 3: Cross multiply
    117,289,510.40x = 175,934,265.60 × 74,018,403.20
  4. Step 4: Simplify right side
    117,289,510.40x = 13,022,373,407,876,690
  5. Step 5: Solve for x
    x = 13,022,373,407,876,690/117,289,510.40
  6. Step 6: Final answer
    x = 111,027,604.80

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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.