Home / 207,005,909.40-310,245,111.90-110,008,085.40

Finding the Fourth Proportional to 207,005,909.40, 310,245,111.90 and 110,008,085.40

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Solution

The fourth proportional to 207,005,909.40, 310,245,111.90 and 110,008,085.40 is: 164,871,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,005,909.40 : 310,245,111.90 = 110,008,085.40 : x
  2. Step 2: Convert to fraction form
    207,005,909.40/310,245,111.90 = 110,008,085.40/x
  3. Step 3: Cross multiply
    207,005,909.40x = 310,245,111.90 × 110,008,085.40
  4. Step 4: Simplify right side
    207,005,909.40x = 34,129,470,764,827,756
  5. Step 5: Solve for x
    x = 34,129,470,764,827,756/207,005,909.40
  6. Step 6: Final answer
    x = 164,871,963.63

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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.