Home / 77,697,712.20-116,546,568.30-23,838,025.80

Finding the Fourth Proportional to 77,697,712.20, 116,546,568.30 and 23,838,025.80

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Solution

The fourth proportional to 77,697,712.20, 116,546,568.30 and 23,838,025.80 is: 35,757,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697,712.20 : 116,546,568.30 = 23,838,025.80 : x
  2. Step 2: Convert to fraction form
    77,697,712.20/116,546,568.30 = 23,838,025.80/x
  3. Step 3: Cross multiply
    77,697,712.20x = 116,546,568.30 × 23,838,025.80
  4. Step 4: Simplify right side
    77,697,712.20x = 2,778,240,102,036,862
  5. Step 5: Solve for x
    x = 2,778,240,102,036,862/77,697,712.20
  6. Step 6: Final answer
    x = 35,757,038.70

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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.