Home / 133,141,519.70-199,712,279.55-64,949,110.10

Finding the Fourth Proportional to 133,141,519.70, 199,712,279.55 and 64,949,110.10

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Solution

The fourth proportional to 133,141,519.70, 199,712,279.55 and 64,949,110.10 is: 97,423,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,141,519.70 : 199,712,279.55 = 64,949,110.10 : x
  2. Step 2: Convert to fraction form
    133,141,519.70/199,712,279.55 = 64,949,110.10/x
  3. Step 3: Cross multiply
    133,141,519.70x = 199,712,279.55 × 64,949,110.10
  4. Step 4: Simplify right side
    133,141,519.70x = 12,971,134,832,814,930
  5. Step 5: Solve for x
    x = 12,971,134,832,814,930/133,141,519.70
  6. Step 6: Final answer
    x = 97,423,665.15

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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.