Home / 157,464,138.34-236,196,207.51-143,103,421.54

Finding the Fourth Proportional to 157,464,138.34, 236,196,207.51 and 143,103,421.54

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Solution

The fourth proportional to 157,464,138.34, 236,196,207.51 and 143,103,421.54 is: 214,655,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,138.34 : 236,196,207.51 = 143,103,421.54 : x
  2. Step 2: Convert to fraction form
    157,464,138.34/236,196,207.51 = 143,103,421.54/x
  3. Step 3: Cross multiply
    157,464,138.34x = 236,196,207.51 × 143,103,421.54
  4. Step 4: Simplify right side
    157,464,138.34x = 33,800,485,448,862,352
  5. Step 5: Solve for x
    x = 33,800,485,448,862,352/157,464,138.34
  6. Step 6: Final answer
    x = 214,655,132.31

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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.