Home / 121,385,095.60-182,077,643.40-80,570,426.80

Finding the Fourth Proportional to 121,385,095.60, 182,077,643.40 and 80,570,426.80

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Solution

The fourth proportional to 121,385,095.60, 182,077,643.40 and 80,570,426.80 is: 120,855,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,385,095.60 : 182,077,643.40 = 80,570,426.80 : x
  2. Step 2: Convert to fraction form
    121,385,095.60/182,077,643.40 = 80,570,426.80/x
  3. Step 3: Cross multiply
    121,385,095.60x = 182,077,643.40 × 80,570,426.80
  4. Step 4: Simplify right side
    121,385,095.60x = 14,670,073,439,476,204
  5. Step 5: Solve for x
    x = 14,670,073,439,476,204/121,385,095.60
  6. Step 6: Final answer
    x = 120,855,640.20

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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.