Home / 140,246,271.63-193,559,081.16-80,706,344.13

Finding the Fourth Proportional to 140,246,271.63, 193,559,081.16 and 80,706,344.13

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Solution

The fourth proportional to 140,246,271.63, 193,559,081.16 and 80,706,344.13 is: 111,385,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246,271.63 : 193,559,081.16 = 80,706,344.13 : x
  2. Step 2: Convert to fraction form
    140,246,271.63/193,559,081.16 = 80,706,344.13/x
  3. Step 3: Cross multiply
    140,246,271.63x = 193,559,081.16 × 80,706,344.13
  4. Step 4: Simplify right side
    140,246,271.63x = 15,621,445,813,585,558
  5. Step 5: Solve for x
    x = 15,621,445,813,585,558/140,246,271.63
  6. Step 6: Final answer
    x = 111,385,818.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.