Home / 148,963,208.46-205,566,000.03-86,241,949.26

Finding the Fourth Proportional to 148,963,208.46, 205,566,000.03 and 86,241,949.26

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Solution

The fourth proportional to 148,963,208.46, 205,566,000.03 and 86,241,949.26 is: 119,012,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963,208.46 : 205,566,000.03 = 86,241,949.26 : x
  2. Step 2: Convert to fraction form
    148,963,208.46/205,566,000.03 = 86,241,949.26/x
  3. Step 3: Cross multiply
    148,963,208.46x = 205,566,000.03 × 86,241,949.26
  4. Step 4: Simplify right side
    148,963,208.46x = 17,728,412,544,168,420
  5. Step 5: Solve for x
    x = 17,728,412,544,168,420/148,963,208.46
  6. Step 6: Final answer
    x = 119,012,021.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.