Home / 99,209,977.40-148,819,631.70-31,054,892.60

Finding the Fourth Proportional to 99,209,977.40, 148,819,631.70 and 31,054,892.60

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Solution

The fourth proportional to 99,209,977.40, 148,819,631.70 and 31,054,892.60 is: 46,583,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,209,977.40 : 148,819,631.70 = 31,054,892.60 : x
  2. Step 2: Convert to fraction form
    99,209,977.40/148,819,631.70 = 31,054,892.60/x
  3. Step 3: Cross multiply
    99,209,977.40x = 148,819,631.70 × 31,054,892.60
  4. Step 4: Simplify right side
    99,209,977.40x = 4,621,577,679,215,055
  5. Step 5: Solve for x
    x = 4,621,577,679,215,055/99,209,977.40
  6. Step 6: Final answer
    x = 46,583,799.33

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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.