Home / 152,078,805.10-228,118,207.65-143,120,853.10

Finding the Fourth Proportional to 152,078,805.10, 228,118,207.65 and 143,120,853.10

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Solution

The fourth proportional to 152,078,805.10, 228,118,207.65 and 143,120,853.10 is: 214,681,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,078,805.10 : 228,118,207.65 = 143,120,853.10 : x
  2. Step 2: Convert to fraction form
    152,078,805.10/228,118,207.65 = 143,120,853.10/x
  3. Step 3: Cross multiply
    152,078,805.10x = 228,118,207.65 × 143,120,853.10
  4. Step 4: Simplify right side
    152,078,805.10x = 32,648,472,486,510,944
  5. Step 5: Solve for x
    x = 32,648,472,486,510,944/152,078,805.10
  6. Step 6: Final answer
    x = 214,681,279.65

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Double scale
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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.