Home / 275,292,012.80-412,938,019.20-152,848,006.40

Finding the Fourth Proportional to 275,292,012.80, 412,938,019.20 and 152,848,006.40

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Solution

The fourth proportional to 275,292,012.80, 412,938,019.20 and 152,848,006.40 is: 229,272,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,292,012.80 : 412,938,019.20 = 152,848,006.40 : x
  2. Step 2: Convert to fraction form
    275,292,012.80/412,938,019.20 = 152,848,006.40/x
  3. Step 3: Cross multiply
    275,292,012.80x = 412,938,019.20 × 152,848,006.40
  4. Step 4: Simplify right side
    275,292,012.80x = 63,116,753,001,484,920
  5. Step 5: Solve for x
    x = 63,116,753,001,484,920/275,292,012.80
  6. Step 6: Final answer
    x = 229,272,009.60

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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.