Home / 72,555,347.32-100,133,451.66-54,188,746.36

Finding the Fourth Proportional to 72,555,347.32, 100,133,451.66 and 54,188,746.36

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Solution

The fourth proportional to 72,555,347.32, 100,133,451.66 and 54,188,746.36 is: 74,785,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,555,347.32 : 100,133,451.66 = 54,188,746.36 : x
  2. Step 2: Convert to fraction form
    72,555,347.32/100,133,451.66 = 54,188,746.36/x
  3. Step 3: Cross multiply
    72,555,347.32x = 100,133,451.66 × 54,188,746.36
  4. Step 4: Simplify right side
    72,555,347.32x = 5,426,106,214,155,061
  5. Step 5: Solve for x
    x = 5,426,106,214,155,061/72,555,347.32
  6. Step 6: Final answer
    x = 74,785,752.04

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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.