Home / 99,654,647.20-149,481,970.80-89,610,412.30

Finding the Fourth Proportional to 99,654,647.20, 149,481,970.80 and 89,610,412.30

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Solution

The fourth proportional to 99,654,647.20, 149,481,970.80 and 89,610,412.30 is: 134,415,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654,647.20 : 149,481,970.80 = 89,610,412.30 : x
  2. Step 2: Convert to fraction form
    99,654,647.20/149,481,970.80 = 89,610,412.30/x
  3. Step 3: Cross multiply
    99,654,647.20x = 149,481,970.80 × 89,610,412.30
  4. Step 4: Simplify right side
    99,654,647.20x = 13,395,141,034,804,562
  5. Step 5: Solve for x
    x = 13,395,141,034,804,562/99,654,647.20
  6. Step 6: Final answer
    x = 134,415,618.45

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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.