Home / 123,648,370.64-185,231,281.08-80,968,706

Finding the Fourth Proportional to 123,648,370.64, 185,231,281.08 and 80,968,706

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Solution

The fourth proportional to 123,648,370.64, 185,231,281.08 and 80,968,706 is: 121,295,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,648,370.64 : 185,231,281.08 = 80,968,706 : x
  2. Step 2: Convert to fraction form
    123,648,370.64/185,231,281.08 = 80,968,706/x
  3. Step 3: Cross multiply
    123,648,370.64x = 185,231,281.08 × 80,968,706
  4. Step 4: Simplify right side
    123,648,370.64x = 14,997,937,139,769,884
  5. Step 5: Solve for x
    x = 14,997,937,139,769,884/123,648,370.64
  6. Step 6: Final answer
    x = 121,295,064.89

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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.