Home / 278,689,575.54-384,602,695.83-153,252,055.49

Finding the Fourth Proportional to 278,689,575.54, 384,602,695.83 and 153,252,055.49

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Solution

The fourth proportional to 278,689,575.54, 384,602,695.83 and 153,252,055.49 is: 211,493,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,689,575.54 : 384,602,695.83 = 153,252,055.49 : x
  2. Step 2: Convert to fraction form
    278,689,575.54/384,602,695.83 = 153,252,055.49/x
  3. Step 3: Cross multiply
    278,689,575.54x = 384,602,695.83 × 153,252,055.49
  4. Step 4: Simplify right side
    278,689,575.54x = 58,941,153,681,019,744
  5. Step 5: Solve for x
    x = 58,941,153,681,019,744/278,689,575.54
  6. Step 6: Final answer
    x = 211,493,930.36

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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.