Home / 302,702,369.90-417,729,254.47-163,473,118.25

Finding the Fourth Proportional to 302,702,369.90, 417,729,254.47 and 163,473,118.25

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Solution

The fourth proportional to 302,702,369.90, 417,729,254.47 and 163,473,118.25 is: 225,592,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,702,369.90 : 417,729,254.47 = 163,473,118.25 : x
  2. Step 2: Convert to fraction form
    302,702,369.90/417,729,254.47 = 163,473,118.25/x
  3. Step 3: Cross multiply
    302,702,369.90x = 417,729,254.47 × 163,473,118.25
  4. Step 4: Simplify right side
    302,702,369.90x = 68,287,503,812,458,656
  5. Step 5: Solve for x
    x = 68,287,503,812,458,656/302,702,369.90
  6. Step 6: Final answer
    x = 225,592,894.55

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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.