Home / 302,781,431.44-417,838,558.44-163,552,254.72

Finding the Fourth Proportional to 302,781,431.44, 417,838,558.44 and 163,552,254.72

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Solution

The fourth proportional to 302,781,431.44, 417,838,558.44 and 163,552,254.72 is: 225,702,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,781,431.44 : 417,838,558.44 = 163,552,254.72 : x
  2. Step 2: Convert to fraction form
    302,781,431.44/417,838,558.44 = 163,552,254.72/x
  3. Step 3: Cross multiply
    302,781,431.44x = 417,838,558.44 × 163,552,254.72
  4. Step 4: Simplify right side
    302,781,431.44x = 68,338,438,341,816,488
  5. Step 5: Solve for x
    x = 68,338,438,341,816,488/302,781,431.44
  6. Step 6: Final answer
    x = 225,702,210.39

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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.