Home / 100,008,004.60-149,788,058.10-59,697,220.60

Finding the Fourth Proportional to 100,008,004.60, 149,788,058.10 and 59,697,220.60

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Solution

The fourth proportional to 100,008,004.60, 149,788,058.10 and 59,697,220.60 is: 89,412,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,008,004.60 : 149,788,058.10 = 59,697,220.60 : x
  2. Step 2: Convert to fraction form
    100,008,004.60/149,788,058.10 = 59,697,220.60/x
  3. Step 3: Cross multiply
    100,008,004.60x = 149,788,058.10 × 59,697,220.60
  4. Step 4: Simplify right side
    100,008,004.60x = 8,941,930,747,641,317
  5. Step 5: Solve for x
    x = 8,941,930,747,641,317/100,008,004.60
  6. Step 6: Final answer
    x = 89,412,150.39

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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.