Home / 147,622,661.10-221,433,991.65-145,071,744.30

Finding the Fourth Proportional to 147,622,661.10, 221,433,991.65 and 145,071,744.30

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Solution

The fourth proportional to 147,622,661.10, 221,433,991.65 and 145,071,744.30 is: 217,607,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,661.10 : 221,433,991.65 = 145,071,744.30 : x
  2. Step 2: Convert to fraction form
    147,622,661.10/221,433,991.65 = 145,071,744.30/x
  3. Step 3: Cross multiply
    147,622,661.10x = 221,433,991.65 × 145,071,744.30
  4. Step 4: Simplify right side
    147,622,661.10x = 32,123,815,415,977,140
  5. Step 5: Solve for x
    x = 32,123,815,415,977,140/147,622,661.10
  6. Step 6: Final answer
    x = 217,607,616.45

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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.