Home / 77,049,711,998.60-115,574,567,997.90-65,295,087,384.20

Finding the Fourth Proportional to 77,049,711,998.60, 115,574,567,997.90 and 65,295,087,384.20

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Solution

The fourth proportional to 77,049,711,998.60, 115,574,567,997.90 and 65,295,087,384.20 is: 97,942,631,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,049,711,998.60 : 115,574,567,997.90 = 65,295,087,384.20 : x
  2. Step 2: Convert to fraction form
    77,049,711,998.60/115,574,567,997.90 = 65,295,087,384.20/x
  3. Step 3: Cross multiply
    77,049,711,998.60x = 115,574,567,997.90 × 65,295,087,384.20
  4. Step 4: Simplify right side
    77,049,711,998.60x = 7,546,451,516,814,044,168,192
  5. Step 5: Solve for x
    x = 7,546,451,516,814,044,168,192/77,049,711,998.60
  6. Step 6: Final answer
    x = 97,942,631,076.30

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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.