Home / 90,555,554.08-124,977,956.88-51,410,003.68

Finding the Fourth Proportional to 90,555,554.08, 124,977,956.88 and 51,410,003.68

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Solution

The fourth proportional to 90,555,554.08, 124,977,956.88 and 51,410,003.68 is: 70,952,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,555,554.08 : 124,977,956.88 = 51,410,003.68 : x
  2. Step 2: Convert to fraction form
    90,555,554.08/124,977,956.88 = 51,410,003.68/x
  3. Step 3: Cross multiply
    90,555,554.08x = 124,977,956.88 × 51,410,003.68
  4. Step 4: Simplify right side
    90,555,554.08x = 6,425,117,223,119,681
  5. Step 5: Solve for x
    x = 6,425,117,223,119,681/90,555,554.08
  6. Step 6: Final answer
    x = 70,952,215.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.