Home / 80,820,187.60-121,230,281.40-23,314,334.80

Finding the Fourth Proportional to 80,820,187.60, 121,230,281.40 and 23,314,334.80

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Solution

The fourth proportional to 80,820,187.60, 121,230,281.40 and 23,314,334.80 is: 34,971,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820,187.60 : 121,230,281.40 = 23,314,334.80 : x
  2. Step 2: Convert to fraction form
    80,820,187.60/121,230,281.40 = 23,314,334.80/x
  3. Step 3: Cross multiply
    80,820,187.60x = 121,230,281.40 × 23,314,334.80
  4. Step 4: Simplify right side
    80,820,187.60x = 2,826,403,368,457,813
  5. Step 5: Solve for x
    x = 2,826,403,368,457,813/80,820,187.60
  6. Step 6: Final answer
    x = 34,971,502.20

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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.