Home / 168,404,688.70-252,607,033.05-155,807,568.70

Finding the Fourth Proportional to 168,404,688.70, 252,607,033.05 and 155,807,568.70

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Solution

The fourth proportional to 168,404,688.70, 252,607,033.05 and 155,807,568.70 is: 233,711,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404,688.70 : 252,607,033.05 = 155,807,568.70 : x
  2. Step 2: Convert to fraction form
    168,404,688.70/252,607,033.05 = 155,807,568.70/x
  3. Step 3: Cross multiply
    168,404,688.70x = 252,607,033.05 × 155,807,568.70
  4. Step 4: Simplify right side
    168,404,688.70x = 39,358,087,656,041,048
  5. Step 5: Solve for x
    x = 39,358,087,656,041,048/168,404,688.70
  6. Step 6: Final answer
    x = 233,711,353.05

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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.