Home / 156,712,654.40-235,068,981.60-131,630,388.80

Finding the Fourth Proportional to 156,712,654.40, 235,068,981.60 and 131,630,388.80

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Solution

The fourth proportional to 156,712,654.40, 235,068,981.60 and 131,630,388.80 is: 197,445,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,712,654.40 : 235,068,981.60 = 131,630,388.80 : x
  2. Step 2: Convert to fraction form
    156,712,654.40/235,068,981.60 = 131,630,388.80/x
  3. Step 3: Cross multiply
    156,712,654.40x = 235,068,981.60 × 131,630,388.80
  4. Step 4: Simplify right side
    156,712,654.40x = 30,942,221,442,828,044
  5. Step 5: Solve for x
    x = 30,942,221,442,828,044/156,712,654.40
  6. Step 6: Final answer
    x = 197,445,583.20

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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.