Home / 99,209,979.40-148,819,634.70-31,054,894.60

Finding the Fourth Proportional to 99,209,979.40, 148,819,634.70 and 31,054,894.60

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Solution

The fourth proportional to 99,209,979.40, 148,819,634.70 and 31,054,894.60 is: 46,583,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,209,979.40 : 148,819,634.70 = 31,054,894.60 : x
  2. Step 2: Convert to fraction form
    99,209,979.40/148,819,634.70 = 31,054,894.60/x
  3. Step 3: Cross multiply
    99,209,979.40x = 148,819,634.70 × 31,054,894.60
  4. Step 4: Simplify right side
    99,209,979.40x = 4,621,578,070,019,002
  5. Step 5: Solve for x
    x = 4,621,578,070,019,002/99,209,979.40
  6. Step 6: Final answer
    x = 46,583,802.33

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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.