Home / 148,003,343.64-221,915,117.34-74,141,224.02

Finding the Fourth Proportional to 148,003,343.64, 221,915,117.34 and 74,141,224.02

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Solution

The fourth proportional to 148,003,343.64, 221,915,117.34 and 74,141,224.02 is: 111,166,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003,343.64 : 221,915,117.34 = 74,141,224.02 : x
  2. Step 2: Convert to fraction form
    148,003,343.64/221,915,117.34 = 74,141,224.02/x
  3. Step 3: Cross multiply
    148,003,343.64x = 221,915,117.34 × 74,141,224.02
  4. Step 4: Simplify right side
    148,003,343.64x = 16,453,058,428,129,526
  5. Step 5: Solve for x
    x = 16,453,058,428,129,526/148,003,343.64
  6. Step 6: Final answer
    x = 111,166,802.21

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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.