Home / 157,267,905.40-235,901,858.10-141,962,404.60

Finding the Fourth Proportional to 157,267,905.40, 235,901,858.10 and 141,962,404.60

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Solution

The fourth proportional to 157,267,905.40, 235,901,858.10 and 141,962,404.60 is: 212,943,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,267,905.40 : 235,901,858.10 = 141,962,404.60 : x
  2. Step 2: Convert to fraction form
    157,267,905.40/235,901,858.10 = 141,962,404.60/x
  3. Step 3: Cross multiply
    157,267,905.40x = 235,901,858.10 × 141,962,404.60
  4. Step 4: Simplify right side
    157,267,905.40x = 33,489,195,025,483,984
  5. Step 5: Solve for x
    x = 33,489,195,025,483,984/157,267,905.40
  6. Step 6: Final answer
    x = 212,943,606.90

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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.