Home / 144,073,632.32-198,821,569.76-77,994,082.08

Finding the Fourth Proportional to 144,073,632.32, 198,821,569.76 and 77,994,082.08

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Solution

The fourth proportional to 144,073,632.32, 198,821,569.76 and 77,994,082.08 is: 107,631,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,632.32 : 198,821,569.76 = 77,994,082.08 : x
  2. Step 2: Convert to fraction form
    144,073,632.32/198,821,569.76 = 77,994,082.08/x
  3. Step 3: Cross multiply
    144,073,632.32x = 198,821,569.76 × 77,994,082.08
  4. Step 4: Simplify right side
    144,073,632.32x = 15,506,905,831,135,884
  5. Step 5: Solve for x
    x = 15,506,905,831,135,884/144,073,632.32
  6. Step 6: Final answer
    x = 107,631,810.08

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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.