Home / 109,149,410.12-163,637,749.74-40,984,510.28

Finding the Fourth Proportional to 109,149,410.12, 163,637,749.74 and 40,984,510.28

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Solution

The fourth proportional to 109,149,410.12, 163,637,749.74 and 40,984,510.28 is: 61,444,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149,410.12 : 163,637,749.74 = 40,984,510.28 : x
  2. Step 2: Convert to fraction form
    109,149,410.12/163,637,749.74 = 40,984,510.28/x
  3. Step 3: Cross multiply
    109,149,410.12x = 163,637,749.74 × 40,984,510.28
  4. Step 4: Simplify right side
    109,149,410.12x = 6,706,613,036,415,098
  5. Step 5: Solve for x
    x = 6,706,613,036,415,098/109,149,410.12
  6. Step 6: Final answer
    x = 61,444,336.06

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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.