Home / 119,274,328.40-178,911,492.60-51,123,909.20

Finding the Fourth Proportional to 119,274,328.40, 178,911,492.60 and 51,123,909.20

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Solution

The fourth proportional to 119,274,328.40, 178,911,492.60 and 51,123,909.20 is: 76,685,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,274,328.40 : 178,911,492.60 = 51,123,909.20 : x
  2. Step 2: Convert to fraction form
    119,274,328.40/178,911,492.60 = 51,123,909.20/x
  3. Step 3: Cross multiply
    119,274,328.40x = 178,911,492.60 × 51,123,909.20
  4. Step 4: Simplify right side
    119,274,328.40x = 9,146,654,902,518,872
  5. Step 5: Solve for x
    x = 9,146,654,902,518,872/119,274,328.40
  6. Step 6: Final answer
    x = 76,685,863.80

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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.