Home / 99,213,665.57-148,810,875.55-30,127,067.30

Finding the Fourth Proportional to 99,213,665.57, 148,810,875.55 and 30,127,067.30

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Solution

The fourth proportional to 99,213,665.57, 148,810,875.55 and 30,127,067.30 is: 45,187,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,665.57 : 148,810,875.55 = 30,127,067.30 : x
  2. Step 2: Convert to fraction form
    99,213,665.57/148,810,875.55 = 30,127,067.30/x
  3. Step 3: Cross multiply
    99,213,665.57x = 148,810,875.55 × 30,127,067.30
  4. Step 4: Simplify right side
    99,213,665.57x = 4,483,235,262,963,484
  5. Step 5: Solve for x
    x = 4,483,235,262,963,484/99,213,665.57
  6. Step 6: Final answer
    x = 45,187,678.91

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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.