Home / 77,049,712,005.60-115,574,568,008.40-65,295,087,391.20

Finding the Fourth Proportional to 77,049,712,005.60, 115,574,568,008.40 and 65,295,087,391.20

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Solution

The fourth proportional to 77,049,712,005.60, 115,574,568,008.40 and 65,295,087,391.20 is: 97,942,631,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049,712,005.60 : 115,574,568,008.40 = 65,295,087,391.20 : x
  2. Step 2: Convert to fraction form
    77,049,712,005.60/115,574,568,008.40 = 65,295,087,391.20/x
  3. Step 3: Cross multiply
    77,049,712,005.60x = 115,574,568,008.40 × 65,295,087,391.20
  4. Step 4: Simplify right side
    77,049,712,005.60x = 7,546,451,518,308,664,475,648
  5. Step 5: Solve for x
    x = 7,546,451,518,308,664,475,648/77,049,712,005.60
  6. Step 6: Final answer
    x = 97,942,631,086.80

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1.5x scale

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.