Home / 117,197,528.05-161,724,705.06-64,984,630.78

Finding the Fourth Proportional to 117,197,528.05, 161,724,705.06 and 64,984,630.78

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Solution

The fourth proportional to 117,197,528.05, 161,724,705.06 and 64,984,630.78 is: 89,674,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,197,528.05 : 161,724,705.06 = 64,984,630.78 : x
  2. Step 2: Convert to fraction form
    117,197,528.05/161,724,705.06 = 64,984,630.78/x
  3. Step 3: Cross multiply
    117,197,528.05x = 161,724,705.06 × 64,984,630.78
  4. Step 4: Simplify right side
    117,197,528.05x = 10,509,620,246,328,498
  5. Step 5: Solve for x
    x = 10,509,620,246,328,498/117,197,528.05
  6. Step 6: Final answer
    x = 89,674,419.09

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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.