Home / 90,893,409.94-125,436,000.99-53,755,525.54

Finding the Fourth Proportional to 90,893,409.94, 125,436,000.99 and 53,755,525.54

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Solution

The fourth proportional to 90,893,409.94, 125,436,000.99 and 53,755,525.54 is: 74,184,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,409.94 : 125,436,000.99 = 53,755,525.54 : x
  2. Step 2: Convert to fraction form
    90,893,409.94/125,436,000.99 = 53,755,525.54/x
  3. Step 3: Cross multiply
    90,893,409.94x = 125,436,000.99 × 53,755,525.54
  4. Step 4: Simplify right side
    90,893,409.94x = 6,742,878,154,853,410
  5. Step 5: Solve for x
    x = 6,742,878,154,853,410/90,893,409.94
  6. Step 6: Final answer
    x = 74,184,455.83

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1.5x scale

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.