Home / 99,019,979.40-148,529,969.10-56,552,651.40

Finding the Fourth Proportional to 99,019,979.40, 148,529,969.10 and 56,552,651.40

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Solution

The fourth proportional to 99,019,979.40, 148,529,969.10 and 56,552,651.40 is: 84,828,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,019,979.40 : 148,529,969.10 = 56,552,651.40 : x
  2. Step 2: Convert to fraction form
    99,019,979.40/148,529,969.10 = 56,552,651.40/x
  3. Step 3: Cross multiply
    99,019,979.40x = 148,529,969.10 × 56,552,651.40
  4. Step 4: Simplify right side
    99,019,979.40x = 8,399,763,564,965,071
  5. Step 5: Solve for x
    x = 8,399,763,564,965,071/99,019,979.40
  6. Step 6: Final answer
    x = 84,828,977.10

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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.