Home / 218,285,661.61-301,232,680.61-119,166,409

Finding the Fourth Proportional to 218,285,661.61, 301,232,680.61 and 119,166,409

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Solution

The fourth proportional to 218,285,661.61, 301,232,680.61 and 119,166,409 is: 164,448,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,285,661.61 : 301,232,680.61 = 119,166,409 : x
  2. Step 2: Convert to fraction form
    218,285,661.61/301,232,680.61 = 119,166,409/x
  3. Step 3: Cross multiply
    218,285,661.61x = 301,232,680.61 × 119,166,409
  4. Step 4: Simplify right side
    218,285,661.61x = 35,896,816,821,737,632
  5. Step 5: Solve for x
    x = 35,896,816,821,737,632/218,285,661.61
  6. Step 6: Final answer
    x = 164,448,807.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.