Home / 148,002,343.54-221,927,021.06-64,970,111.86

Finding the Fourth Proportional to 148,002,343.54, 221,927,021.06 and 64,970,111.86

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Solution

The fourth proportional to 148,002,343.54, 221,927,021.06 and 64,970,111.86 is: 97,421,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002,343.54 : 221,927,021.06 = 64,970,111.86 : x
  2. Step 2: Convert to fraction form
    148,002,343.54/221,927,021.06 = 64,970,111.86/x
  3. Step 3: Cross multiply
    148,002,343.54x = 221,927,021.06 × 64,970,111.86
  4. Step 4: Simplify right side
    148,002,343.54x = 14,418,623,383,024,776
  5. Step 5: Solve for x
    x = 14,418,623,383,024,776/148,002,343.54
  6. Step 6: Final answer
    x = 97,421,588.32

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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.