Home / 90,816,308.94-125,310,005.10-53,652,639.78

Finding the Fourth Proportional to 90,816,308.94, 125,310,005.10 and 53,652,639.78

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Solution

The fourth proportional to 90,816,308.94, 125,310,005.10 and 53,652,639.78 is: 74,030,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816,308.94 : 125,310,005.10 = 53,652,639.78 : x
  2. Step 2: Convert to fraction form
    90,816,308.94/125,310,005.10 = 53,652,639.78/x
  3. Step 3: Cross multiply
    90,816,308.94x = 125,310,005.10 × 53,652,639.78
  4. Step 4: Simplify right side
    90,816,308.94x = 6,723,212,564,460,263
  5. Step 5: Solve for x
    x = 6,723,212,564,460,263/90,816,308.94
  6. Step 6: Final answer
    x = 74,030,894.26

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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.