Home / 163,537,958.72-245,416,026.54-84,827,008.55

Finding the Fourth Proportional to 163,537,958.72, 245,416,026.54 and 84,827,008.55

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Solution

The fourth proportional to 163,537,958.72, 245,416,026.54 and 84,827,008.55 is: 127,297,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,537,958.72 : 245,416,026.54 = 84,827,008.55 : x
  2. Step 2: Convert to fraction form
    163,537,958.72/245,416,026.54 = 84,827,008.55/x
  3. Step 3: Cross multiply
    163,537,958.72x = 245,416,026.54 × 84,827,008.55
  4. Step 4: Simplify right side
    163,537,958.72x = 20,817,907,381,615,604
  5. Step 5: Solve for x
    x = 20,817,907,381,615,604/163,537,958.72
  6. Step 6: Final answer
    x = 127,297,096.92

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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.