Home / 114,984,128.70-172,476,193.05-103,646,720.70

Finding the Fourth Proportional to 114,984,128.70, 172,476,193.05 and 103,646,720.70

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Solution

The fourth proportional to 114,984,128.70, 172,476,193.05 and 103,646,720.70 is: 155,470,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,984,128.70 : 172,476,193.05 = 103,646,720.70 : x
  2. Step 2: Convert to fraction form
    114,984,128.70/172,476,193.05 = 103,646,720.70/x
  3. Step 3: Cross multiply
    114,984,128.70x = 172,476,193.05 × 103,646,720.70
  4. Step 4: Simplify right side
    114,984,128.70x = 17,876,591,808,452,632
  5. Step 5: Solve for x
    x = 17,876,591,808,452,632/114,984,128.70
  6. Step 6: Final answer
    x = 155,470,081.05

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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.