Home / 99,052,403.20-148,578,604.80-30,894,985.60

Finding the Fourth Proportional to 99,052,403.20, 148,578,604.80 and 30,894,985.60

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Solution

The fourth proportional to 99,052,403.20, 148,578,604.80 and 30,894,985.60 is: 46,342,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,052,403.20 : 148,578,604.80 = 30,894,985.60 : x
  2. Step 2: Convert to fraction form
    99,052,403.20/148,578,604.80 = 30,894,985.60/x
  3. Step 3: Cross multiply
    99,052,403.20x = 148,578,604.80 × 30,894,985.60
  4. Step 4: Simplify right side
    99,052,403.20x = 4,590,333,855,764,091
  5. Step 5: Solve for x
    x = 4,590,333,855,764,091/99,052,403.20
  6. Step 6: Final answer
    x = 46,342,478.40

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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.