Home / 133,141,519.20-199,712,278.80-64,949,109.60

Finding the Fourth Proportional to 133,141,519.20, 199,712,278.80 and 64,949,109.60

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Solution

The fourth proportional to 133,141,519.20, 199,712,278.80 and 64,949,109.60 is: 97,423,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,141,519.20 : 199,712,278.80 = 64,949,109.60 : x
  2. Step 2: Convert to fraction form
    133,141,519.20/199,712,278.80 = 64,949,109.60/x
  3. Step 3: Cross multiply
    133,141,519.20x = 199,712,278.80 × 64,949,109.60
  4. Step 4: Simplify right side
    133,141,519.20x = 12,971,134,684,246,958
  5. Step 5: Solve for x
    x = 12,971,134,684,246,958/133,141,519.20
  6. Step 6: Final answer
    x = 97,423,664.40

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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.