Home / 104,976,459.10-157,464,688.65-72,619,356.70

Finding the Fourth Proportional to 104,976,459.10, 157,464,688.65 and 72,619,356.70

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Solution

The fourth proportional to 104,976,459.10, 157,464,688.65 and 72,619,356.70 is: 108,929,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,459.10 : 157,464,688.65 = 72,619,356.70 : x
  2. Step 2: Convert to fraction form
    104,976,459.10/157,464,688.65 = 72,619,356.70/x
  3. Step 3: Cross multiply
    104,976,459.10x = 157,464,688.65 × 72,619,356.70
  4. Step 4: Simplify right side
    104,976,459.10x = 11,434,984,392,728,792
  5. Step 5: Solve for x
    x = 11,434,984,392,728,792/104,976,459.10
  6. Step 6: Final answer
    x = 108,929,035.05

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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.