Home / 236,657,082.78-355,023,769.19-72,894,763.17

Finding the Fourth Proportional to 236,657,082.78, 355,023,769.19 and 72,894,763.17

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Solution

The fourth proportional to 236,657,082.78, 355,023,769.19 and 72,894,763.17 is: 109,353,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657,082.78 : 355,023,769.19 = 72,894,763.17 : x
  2. Step 2: Convert to fraction form
    236,657,082.78/355,023,769.19 = 72,894,763.17/x
  3. Step 3: Cross multiply
    236,657,082.78x = 355,023,769.19 × 72,894,763.17
  4. Step 4: Simplify right side
    236,657,082.78x = 25,879,373,574,461,320
  5. Step 5: Solve for x
    x = 25,879,373,574,461,320/236,657,082.78
  6. Step 6: Final answer
    x = 109,353,894.13

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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.