Home / 145,698,599.55-218,519,905.73-43,465,972.35

Finding the Fourth Proportional to 145,698,599.55, 218,519,905.73 and 43,465,972.35

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Solution

The fourth proportional to 145,698,599.55, 218,519,905.73 and 43,465,972.35 is: 65,190,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,698,599.55 : 218,519,905.73 = 43,465,972.35 : x
  2. Step 2: Convert to fraction form
    145,698,599.55/218,519,905.73 = 43,465,972.35/x
  3. Step 3: Cross multiply
    145,698,599.55x = 218,519,905.73 × 43,465,972.35
  4. Step 4: Simplify right side
    145,698,599.55x = 9,498,180,180,167,456
  5. Step 5: Solve for x
    x = 9,498,180,180,167,456/145,698,599.55
  6. Step 6: Final answer
    x = 65,190,607.25

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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.