Home / 109,133,076.10-163,699,614.15-65,980,066.90

Finding the Fourth Proportional to 109,133,076.10, 163,699,614.15 and 65,980,066.90

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Solution

The fourth proportional to 109,133,076.10, 163,699,614.15 and 65,980,066.90 is: 98,970,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,133,076.10 : 163,699,614.15 = 65,980,066.90 : x
  2. Step 2: Convert to fraction form
    109,133,076.10/163,699,614.15 = 65,980,066.90/x
  3. Step 3: Cross multiply
    109,133,076.10x = 163,699,614.15 × 65,980,066.90
  4. Step 4: Simplify right side
    109,133,076.10x = 10,800,911,493,121,186
  5. Step 5: Solve for x
    x = 10,800,911,493,121,186/109,133,076.10
  6. Step 6: Final answer
    x = 98,970,100.35

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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.