Home / 208,819,531.69-313,180,704.30-77,723,547.01

Finding the Fourth Proportional to 208,819,531.69, 313,180,704.30 and 77,723,547.01

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Solution

The fourth proportional to 208,819,531.69, 313,180,704.30 and 77,723,547.01 is: 116,567,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,819,531.69 : 313,180,704.30 = 77,723,547.01 : x
  2. Step 2: Convert to fraction form
    208,819,531.69/313,180,704.30 = 77,723,547.01/x
  3. Step 3: Cross multiply
    208,819,531.69x = 313,180,704.30 × 77,723,547.01
  4. Step 4: Simplify right side
    208,819,531.69x = 24,341,515,193,285,960
  5. Step 5: Solve for x
    x = 24,341,515,193,285,960/208,819,531.69
  6. Step 6: Final answer
    x = 116,567,233.90

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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.