Home / 108,755,599.90-163,133,399.85-65,757,430.30

Finding the Fourth Proportional to 108,755,599.90, 163,133,399.85 and 65,757,430.30

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Solution

The fourth proportional to 108,755,599.90, 163,133,399.85 and 65,757,430.30 is: 98,636,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755,599.90 : 163,133,399.85 = 65,757,430.30 : x
  2. Step 2: Convert to fraction form
    108,755,599.90/163,133,399.85 = 65,757,430.30/x
  3. Step 3: Cross multiply
    108,755,599.90x = 163,133,399.85 × 65,757,430.30
  4. Step 4: Simplify right side
    108,755,599.90x = 10,727,233,170,238,404
  5. Step 5: Solve for x
    x = 10,727,233,170,238,404/108,755,599.90
  6. Step 6: Final answer
    x = 98,636,145.45

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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.