Home / 148,002,356.38-221,927,040.33-64,970,124.70

Finding the Fourth Proportional to 148,002,356.38, 221,927,040.33 and 64,970,124.70

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Solution

The fourth proportional to 148,002,356.38, 221,927,040.33 and 64,970,124.70 is: 97,421,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002,356.38 : 221,927,040.33 = 64,970,124.70 : x
  2. Step 2: Convert to fraction form
    148,002,356.38/221,927,040.33 = 64,970,124.70/x
  3. Step 3: Cross multiply
    148,002,356.38x = 221,927,040.33 × 64,970,124.70
  4. Step 4: Simplify right side
    148,002,356.38x = 14,418,627,484,542,030
  5. Step 5: Solve for x
    x = 14,418,627,484,542,030/148,002,356.38
  6. Step 6: Final answer
    x = 97,421,607.58

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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.