Home / 90,893,439.72-125,436,042.06-53,755,555.32

Finding the Fourth Proportional to 90,893,439.72, 125,436,042.06 and 53,755,555.32

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Solution

The fourth proportional to 90,893,439.72, 125,436,042.06 and 53,755,555.32 is: 74,184,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,439.72 : 125,436,042.06 = 53,755,555.32 : x
  2. Step 2: Convert to fraction form
    90,893,439.72/125,436,042.06 = 53,755,555.32/x
  3. Step 3: Cross multiply
    90,893,439.72x = 125,436,042.06 × 53,755,555.32
  4. Step 4: Simplify right side
    90,893,439.72x = 6,742,884,098,078,177
  5. Step 5: Solve for x
    x = 6,742,884,098,078,177/90,893,439.72
  6. Step 6: Final answer
    x = 74,184,496.91

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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.