Home / 111,780,213.40-167,670,320.10-97,431,306.40

Finding the Fourth Proportional to 111,780,213.40, 167,670,320.10 and 97,431,306.40

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Solution

The fourth proportional to 111,780,213.40, 167,670,320.10 and 97,431,306.40 is: 146,146,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,780,213.40 : 167,670,320.10 = 97,431,306.40 : x
  2. Step 2: Convert to fraction form
    111,780,213.40/167,670,320.10 = 97,431,306.40/x
  3. Step 3: Cross multiply
    111,780,213.40x = 167,670,320.10 × 97,431,306.40
  4. Step 4: Simplify right side
    111,780,213.40x = 16,336,338,331,849,180
  5. Step 5: Solve for x
    x = 16,336,338,331,849,180/111,780,213.40
  6. Step 6: Final answer
    x = 146,146,959.60

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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.