Home / 143,514,828.90-215,097,353.71-74,389,523.02

Finding the Fourth Proportional to 143,514,828.90, 215,097,353.71 and 74,389,523.02

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Solution

The fourth proportional to 143,514,828.90, 215,097,353.71 and 74,389,523.02 is: 111,493,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,828.90 : 215,097,353.71 = 74,389,523.02 : x
  2. Step 2: Convert to fraction form
    143,514,828.90/215,097,353.71 = 74,389,523.02/x
  3. Step 3: Cross multiply
    143,514,828.90x = 215,097,353.71 × 74,389,523.02
  4. Step 4: Simplify right side
    143,514,828.90x = 16,000,989,544,627,410
  5. Step 5: Solve for x
    x = 16,000,989,544,627,410/143,514,828.90
  6. Step 6: Final answer
    x = 111,493,632.17

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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.