Home / 78,732,004.78-117,885,430.76-78,732,004.78

Finding the Fourth Proportional to 78,732,004.78, 117,885,430.76 and 78,732,004.78

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Solution

The fourth proportional to 78,732,004.78, 117,885,430.76 and 78,732,004.78 is: 117,885,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,004.78 : 117,885,430.76 = 78,732,004.78 : x
  2. Step 2: Convert to fraction form
    78,732,004.78/117,885,430.76 = 78,732,004.78/x
  3. Step 3: Cross multiply
    78,732,004.78x = 117,885,430.76 × 78,732,004.78
  4. Step 4: Simplify right side
    78,732,004.78x = 9,281,356,297,499,254
  5. Step 5: Solve for x
    x = 9,281,356,297,499,254/78,732,004.78
  6. Step 6: Final answer
    x = 117,885,430.76

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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.