Home / 109,134,327.60-163,701,491.40-66,087,606.60

Finding the Fourth Proportional to 109,134,327.60, 163,701,491.40 and 66,087,606.60

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Solution

The fourth proportional to 109,134,327.60, 163,701,491.40 and 66,087,606.60 is: 99,131,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134,327.60 : 163,701,491.40 = 66,087,606.60 : x
  2. Step 2: Convert to fraction form
    109,134,327.60/163,701,491.40 = 66,087,606.60/x
  3. Step 3: Cross multiply
    109,134,327.60x = 163,701,491.40 × 66,087,606.60
  4. Step 4: Simplify right side
    109,134,327.60x = 10,818,639,763,476,484
  5. Step 5: Solve for x
    x = 10,818,639,763,476,484/109,134,327.60
  6. Step 6: Final answer
    x = 99,131,409.90

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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.