Home / 75,698,008.36-113,547,000.54-18,190,279.72

Finding the Fourth Proportional to 75,698,008.36, 113,547,000.54 and 18,190,279.72

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Solution

The fourth proportional to 75,698,008.36, 113,547,000.54 and 18,190,279.72 is: 27,285,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698,008.36 : 113,547,000.54 = 18,190,279.72 : x
  2. Step 2: Convert to fraction form
    75,698,008.36/113,547,000.54 = 18,190,279.72/x
  3. Step 3: Cross multiply
    75,698,008.36x = 113,547,000.54 × 18,190,279.72
  4. Step 4: Simplify right side
    75,698,008.36x = 2,065,451,701,189,591
  5. Step 5: Solve for x
    x = 2,065,451,701,189,591/75,698,008.36
  6. Step 6: Final answer
    x = 27,285,416.70

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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.