Home / 143,046,612,519.84-197,342,297,594.46-85,142,524,253.40

Finding the Fourth Proportional to 143,046,612,519.84, 197,342,297,594.46 and 85,142,524,253.40

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Solution

The fourth proportional to 143,046,612,519.84, 197,342,297,594.46 and 85,142,524,253.40 is: 117,459,764,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,046,612,519.84 : 197,342,297,594.46 = 85,142,524,253.40 : x
  2. Step 2: Convert to fraction form
    143,046,612,519.84/197,342,297,594.46 = 85,142,524,253.40/x
  3. Step 3: Cross multiply
    143,046,612,519.84x = 197,342,297,594.46 × 85,142,524,253.40
  4. Step 4: Simplify right side
    143,046,612,519.84x = 16,802,221,359,157,989,081,088
  5. Step 5: Solve for x
    x = 16,802,221,359,157,989,081,088/143,046,612,519.84
  6. Step 6: Final answer
    x = 117,459,764,080.94

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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.