Home / 278,087,293.87-384,078,966.92-183,142,229.08

Finding the Fourth Proportional to 278,087,293.87, 384,078,966.92 and 183,142,229.08

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Solution

The fourth proportional to 278,087,293.87, 384,078,966.92 and 183,142,229.08 is: 252,946,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,087,293.87 : 384,078,966.92 = 183,142,229.08 : x
  2. Step 2: Convert to fraction form
    278,087,293.87/384,078,966.92 = 183,142,229.08/x
  3. Step 3: Cross multiply
    278,087,293.87x = 384,078,966.92 × 183,142,229.08
  4. Step 4: Simplify right side
    278,087,293.87x = 70,341,078,143,757,712
  5. Step 5: Solve for x
    x = 70,341,078,143,757,712/278,087,293.87
  6. Step 6: Final answer
    x = 252,946,034.19

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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.