Home / 314,712,129.60-472,068,194.40-178,663,233.60

Finding the Fourth Proportional to 314,712,129.60, 472,068,194.40 and 178,663,233.60

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Solution

The fourth proportional to 314,712,129.60, 472,068,194.40 and 178,663,233.60 is: 267,994,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,129.60 : 472,068,194.40 = 178,663,233.60 : x
  2. Step 2: Convert to fraction form
    314,712,129.60/472,068,194.40 = 178,663,233.60/x
  3. Step 3: Cross multiply
    314,712,129.60x = 472,068,194.40 × 178,663,233.60
  4. Step 4: Simplify right side
    314,712,129.60x = 84,341,230,091,217,408
  5. Step 5: Solve for x
    x = 84,341,230,091,217,408/314,712,129.60
  6. Step 6: Final answer
    x = 267,994,850.40

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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.