Home / 108,874,221.80-163,311,332.70-97,788,756.20

Finding the Fourth Proportional to 108,874,221.80, 163,311,332.70 and 97,788,756.20

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Solution

The fourth proportional to 108,874,221.80, 163,311,332.70 and 97,788,756.20 is: 146,683,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,221.80 : 163,311,332.70 = 97,788,756.20 : x
  2. Step 2: Convert to fraction form
    108,874,221.80/163,311,332.70 = 97,788,756.20/x
  3. Step 3: Cross multiply
    108,874,221.80x = 163,311,332.70 × 97,788,756.20
  4. Step 4: Simplify right side
    108,874,221.80x = 15,970,012,098,097,388
  5. Step 5: Solve for x
    x = 15,970,012,098,097,388/108,874,221.80
  6. Step 6: Final answer
    x = 146,683,134.30

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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.