Home / 99,071,601.90-148,481,431.65-47,843,313.90

Finding the Fourth Proportional to 99,071,601.90, 148,481,431.65 and 47,843,313.90

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Solution

The fourth proportional to 99,071,601.90, 148,481,431.65 and 47,843,313.90 is: 71,704,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071,601.90 : 148,481,431.65 = 47,843,313.90 : x
  2. Step 2: Convert to fraction form
    99,071,601.90/148,481,431.65 = 47,843,313.90/x
  3. Step 3: Cross multiply
    99,071,601.90x = 148,481,431.65 × 47,843,313.90
  4. Step 4: Simplify right side
    99,071,601.90x = 7,103,843,742,752,345
  5. Step 5: Solve for x
    x = 7,103,843,742,752,345/99,071,601.90
  6. Step 6: Final answer
    x = 71,704,137.28

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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.